U.S. President Barack Obama, right, and Japanese Prime Minister Shinzo Abe shake hands after laying wreaths at the Hiroshima Peace Memorial Park in Hiroshima, Japan, on Friday, May 27. <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F27%2Fpolitics%2Fobama-hiroshima-japan%2F" target="_blank">Obama, the first sitting U.S. President to visit Hiroshima,</a> called for a "world without nuclear weapons" during his speech.
U.S. President Barack Obama, right, and Japanese Prime Minister Shinzo Abe shake hands after laying wreaths at the Hiroshima Peace Memorial Park in Hiroshima, Japan, on Friday, May 27. Obama, the first sitting U.S. President to visit Hiroshima, called for a "world without nuclear weapons" during his speech.
Jim Watson/AFP/Getty Images
A ship crowded with migrants <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F25%2Fmiddleeast%2Fmigrant-ship-overturns%2F" target="_blank">flips onto its side</a> Wednesday, May 25, as an Italian navy ship approaches off the coach of Libya. Passengers had rushed to the port side, a shift in weight that proved too much. Five people died and more than 500 were rescued.
A ship crowded with migrants flips onto its side Wednesday, May 25, as an Italian navy ship approaches off the coach of Libya. Passengers had rushed to the port side, a shift in weight that proved too much. Five people died and more than 500 were rescued.
Italian Navy
Comedian Bill Cosby, back center, leaves a courthouse in Norristown, Pennsylvania, after a preliminary hearing on Tuesday, May 24. Cosby <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F24%2Fus%2Fbill-cosby-hearing%2F" target="_blank">faces three counts of felony aggravated indecent assault</a> from a 2004 case involving Andrea Constand, an employee at his alma mater, Temple University. She was the first of more than 50 women who have accused Cosby of sexual misconduct. Cosby has denied the allegations.
Comedian Bill Cosby, back center, leaves a courthouse in Norristown, Pennsylvania, after a preliminary hearing on Tuesday, May 24. Cosby faces three counts of felony aggravated indecent assault from a 2004 case involving Andrea Constand, an employee at his alma mater, Temple University. She was the first of more than 50 women who have accused Cosby of sexual misconduct. Cosby has denied the allegations.
Matt Slocum/AP
Actress Sonia Braga poses on the red carpet as she arrives for the Cannes Film Festival's screening of the film "Elle" on Saturday, May 21. <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F12%2Fentertainment%2Fgallery%2Fcannes-red-carpet-2016%2Findex.html" target="_blank">See more red-carpet photos from the festival's various events</a>
Actress Sonia Braga poses on the red carpet as she arrives for the Cannes Film Festival's screening of the film "Elle" on Saturday, May 21. See more red-carpet photos from the festival's various events
VALERY HACHE/AFP/Getty Images
A horse nuzzles Vietnam veteran Roberto Gonzales outside a VA hospital in San Antonio on Saturday, May 21. Gonzales, a disabled horse trainer, <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F23%2Fhealth%2Fdying-veteran-reunited-with-horses-trnd%2F" target="_blank">wanted to spend some of his precious final moments with two of his beloved friends:</a> his horses, Ringo and Sugar. He died two days later.
A horse nuzzles Vietnam veteran Roberto Gonzales outside a VA hospital in San Antonio on Saturday, May 21. Gonzales, a disabled horse trainer, wanted to spend some of his precious final moments with two of his beloved friends: his horses, Ringo and Sugar. He died two days later.
Lupe Hernandez/South Texas Veterans Health Care System/AP
Donald Trump speaks in Bismarck, North Dakota, after reaching the threshold of delegates he needed <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F26%2Fpolitics%2Fdonald-trump-has-delegates-to-clinch-gop-nomination%2Findex.html" target="_blank">to clinch the Republican Party's presidential nomination</a> on Thursday, May 26. Trump will not formally accept the nomination until the delegates cast their votes on the convention floor in July.
Donald Trump speaks in Bismarck, North Dakota, after reaching the threshold of delegates he needed to clinch the Republican Party's presidential nomination on Thursday, May 26. Trump will not formally accept the nomination until the delegates cast their votes on the convention floor in July.
Charles Rex Arbogast/AP
A fighter from a Shiite militia takes a combat position outside Falluja, Iraq, on Monday, May 23. Iraqi security forces, backed by militias, are battling the ISIS terror group <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F26%2Fmiddleeast%2Firaq-karma-falluja%2F" target="_blank">for control of Falluja.</a> Falluja and Mosul are the last two Iraqi cities under ISIS control.
A fighter from a Shiite militia takes a combat position outside Falluja, Iraq, on Monday, May 23. Iraqi security forces, backed by militias, are battling the ISIS terror group for control of Falluja. Falluja and Mosul are the last two Iraqi cities under ISIS control.
Rwa Faisal/AP
Some of the wreckage from <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F26%2Fmiddleeast%2Fegyptair-airbus-signals-detected%2F" target="_blank">EgyptAir Flight 804</a> was found north of Alexandria, Egypt, on Saturday, May 21. There were 66 people on the plane when it crashed during a flight from Paris to Cairo.
Some of the wreckage from EgyptAir Flight 804 was found north of Alexandria, Egypt, on Saturday, May 21. There were 66 people on the plane when it crashed during a flight from Paris to Cairo.
Egyptian Armed Forces/Anadolu/Getty Images
Cadet Alix Idrache <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F25%2Fus%2Fwest-point-graduates-emotional-photo-trnd%2Findex.html" target="_blank">sheds tears of joy</a> Saturday, May 21, as he graduates from the U.S. Military Academy in West Point, New York. "I am from Haiti and never did I imagine that such honor would be one day bestowed on me," he said. He will soon be going to flight school. "Knowing that one day I will be a pilot is humbling beyond words," he said. "I could not help but be flooded with emotions knowing that I will be leading these men and women who are willing to give their all to preserve what we value as the American way of life."
Cadet Alix Idrache sheds tears of joy Saturday, May 21, as he graduates from the U.S. Military Academy in West Point, New York. "I am from Haiti and never did I imagine that such honor would be one day bestowed on me," he said. He will soon be going to flight school. "Knowing that one day I will be a pilot is humbling beyond words," he said. "I could not help but be flooded with emotions knowing that I will be leading these men and women who are willing to give their all to preserve what we value as the American way of life."
Staff Sgt. Vito Bryant/US Military Academy at West Point
People watch firefighters battle a blaze on a pier in Seal Beach, California, on Friday, May 20.
People watch firefighters battle a blaze on a pier in Seal Beach, California, on Friday, May 20.
Michael Goulding/The Orange County Register/AP
Sheriff's deputies arrest a protester near the convention center in Anaheim, California, on Wednesday, May 25. Republican presidential candidate Donald Trump was holding a rally at the convention center.
Sheriff's deputies arrest a protester near the convention center in Anaheim, California, on Wednesday, May 25. Republican presidential candidate Donald Trump was holding a rally at the convention center.
Jae C. Hong/AP
A massive fuel tank, which was built for NASA's space shuttle program, <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2Fvideos%2Fus%2F2016%2F05%2F23%2Fshuttle-fuel-tank-los-angeles-nccorig.cnn" target="_blank">is transported to a science center in Los Angeles</a> on Saturday, May 21.
A massive fuel tank, which was built for NASA's space shuttle program, is transported to a science center in Los Angeles on Saturday, May 21.
Chris Carlson/AP
Dancers hold up Britney Spears as she performs at the Billboard Music Awards on Sunday, May 22.
Dancers hold up Britney Spears as she performs at the Billboard Music Awards on Sunday, May 22.
Kevin Winter/Getty Images
Ultra-Orthodox Jews watch a flame in Jerusalem as they celebrate the Lag B'Omer holiday on Wednesday, May 25.
Ultra-Orthodox Jews watch a flame in Jerusalem as they celebrate the Lag B'Omer holiday on Wednesday, May 25.
Oded Balilty/AP
Shirtless men cheer for Democratic presidential candidate Hillary Clinton at a campaign event in Buena Park, California, on Wednesday, May 25.
Shirtless men cheer for Democratic presidential candidate Hillary Clinton at a campaign event in Buena Park, California, on Wednesday, May 25.
John Locher/AP
A firefighter in Melbourne sprays fire retardant at a crash site that involved multiple vehicles, including a gas tanker, on Tuesday, May 24. At least one person was killed, <a href="index.php?page=&url=http%3A%2F%2Fwww.9news.com.au%2Fnational%2F2016%2F05%2F24%2F09%2F56%2Fat-least-five-injured-after-petrol-tanker-rolls-on-melbourne-freeway" target="_blank" target="_blank">according to Nine News in Australia.</a>
A firefighter in Melbourne sprays fire retardant at a crash site that involved multiple vehicles, including a gas tanker, on Tuesday, May 24. At least one person was killed, according to Nine News in Australia.
Jason Edwards/Newspix/REX/Shutterstock
Edward Nero, a Baltimore police officer, leaves a courthouse Monday, May 23, after <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F23%2Fus%2Ffreddie-gray-trial-officer-edward-nero%2F" target="_blank">he was found not guilty</a> of charges connected to the Freddie Gray case. Gray, 25, died from spinal injuries last year after being shackled without a seat belt in a police van. Six officers were charged in connection with the case. Only two have been tried so far. The case against William Porter ended in a mistrial in December.
Edward Nero, a Baltimore police officer, leaves a courthouse Monday, May 23, after he was found not guilty of charges connected to the Freddie Gray case. Gray, 25, died from spinal injuries last year after being shackled without a seat belt in a police van. Six officers were charged in connection with the case. Only two have been tried so far. The case against William Porter ended in a mistrial in December.
Jerry Jackson/Baltimore Sun/TNS/Getty Images
<a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F25%2Fus%2Fshipwreck-found-boston-irpt%2F" target="_blank">A shipwreck from the 1800s</a> is seen at a construction site in Boston on Wednesday, May 25. It was found within walking distance of several piers that overlook Boston Harbor.
A shipwreck from the 1800s is seen at a construction site in Boston on Wednesday, May 25. It was found within walking distance of several piers that overlook Boston Harbor.
Elise Amendola/AP
A frog that resembles the "Star Wars" villain Jabba the Hutt is perched inside a vivarium in Ashington, England, on Tuesday, May 24. The frog's owners call him "The Boss."
A frog that resembles the "Star Wars" villain Jabba the Hutt is perched inside a vivarium in Ashington, England, on Tuesday, May 24. The frog's owners call him "The Boss."
Keith Talbot/Solent News/REX/Shutterstock
People perform a traditional fire dragon dance at a theme park in Shenyang, China, on Friday, May 20.
People perform a traditional fire dragon dance at a theme park in Shenyang, China, on Friday, May 20.
Exclusivepix Media/ZUMA Press
Firefighters in Hong Kong work at the site where a roof collapsed at a City University sports building on Friday, May 20. Three people were injured.
Firefighters in Hong Kong work at the site where a roof collapsed at a City University sports building on Friday, May 20. Three people were injured.
Kin Cheung/AP
A man leads schoolchildren away from tear gas and a burning barricade during a demonstration in Nairobi, Kenya, on Monday, May 23. Opposition supporters were demanding a change of leadership at the electoral commission.
A man leads schoolchildren away from tear gas and a burning barricade during a demonstration in Nairobi, Kenya, on Monday, May 23. Opposition supporters were demanding a change of leadership at the electoral commission.
CARL DE SOUZA/AFP/Getty Images
A giant picture is pasted onto the Louvre Pyramid as part of an art installation in Paris on Tuesday, May 24. <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F24%2Farts%2Fjr-louvre%2F" target="_blank">The illusion,</a> by street artist JR, made it look as though the pyramid had disappeared.
A giant picture is pasted onto the Louvre Pyramid as part of an art installation in Paris on Tuesday, May 24. The illusion, by street artist JR, made it look as though the pyramid had disappeared.
Francois Mori/AP
A rhino named Hope is bandaged after surgery in Bela-Bela, South Africa, on Friday, May 20. She survived a horrific attack by poachers <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2015%2F08%2F15%2Fafrica%2Fsouth-africa-wounded-rhino%2F" target="_blank">who hacked off her horns and part of her face last year.</a>
A rhino named Hope is bandaged after surgery in Bela-Bela, South Africa, on Friday, May 20. She survived a horrific attack by poachers who hacked off her horns and part of her face last year.
Denis Farrell/AP
American Airlines employees watch as the company's former headquarters is imploded in Fort Worth, Texas, on Friday, May 20.
American Airlines employees watch as the company's former headquarters is imploded in Fort Worth, Texas, on Friday, May 20.
LM Otero/AP
A migrant family rides a bus near the northern Greek village of Idomeni on Tuesday, May 24. Greece<a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F24%2Feurope%2Fgreece-clears-migrant-camp%2F" target="_blank"> is moving more than 8,000 migrants</a> from an overwhelmed transit camp on its border with Macedonia.
A migrant family rides a bus near the northern Greek village of Idomeni on Tuesday, May 24. Greece is moving more than 8,000 migrants from an overwhelmed transit camp on its border with Macedonia.
Giannis Papanikos/AP
A person wears a Bernie Sanders shirt after the U.S. senator and presidential candidate spoke at a rally in Cathedral City, California, on Wednesday, May 25.
A person wears a Bernie Sanders shirt after the U.S. senator and presidential candidate spoke at a rally in Cathedral City, California, on Wednesday, May 25.
Matt McClain/The Washington Post/Getty Images
A tornado is seen south of Dodge City, Kansas, on Tuesday, May 24. <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F24%2Fus%2Fsevere-weather%2F" target="_blank">Multiple twisters</a> overturned vehicles and damaged homes this week in several Midwest states.
A tornado is seen south of Dodge City, Kansas, on Tuesday, May 24. Multiple twisters overturned vehicles and damaged homes this week in several Midwest states.
Brian Davidson/Getty Images
A disabled protester, on his knees and holding a crutch, confronts police blocking him from reaching the National Palace in La Paz, Bolivia, on Wednesday, May 25. Demonstrators were demanding larger state benefits for people with disabilities.
A disabled protester, on his knees and holding a crutch, confronts police blocking him from reaching the National Palace in La Paz, Bolivia, on Wednesday, May 25. Demonstrators were demanding larger state benefits for people with disabilities.
Juan Karita/AP
A man maneuvers a miniature tugboat at the Panama Canal training facility on Wednesday, May 25.
A man maneuvers a miniature tugboat at the Panama Canal training facility on Wednesday, May 25.
Arnulfo Franco/AP
Rapper Sean "Diddy" Combs performs in New York during the Bad Boy Reunion Tour on Saturday, May 21. He wore a birthday shirt honoring the Notorious B.I.G., who died in 1997.
Rapper Sean "Diddy" Combs performs in New York during the Bad Boy Reunion Tour on Saturday, May 21. He wore a birthday shirt honoring the Notorious B.I.G., who died in 1997.
Kevin Mazur/Getty Images
A road collapsed in Florence, Italy, on Wednesday, May 25.
A road collapsed in Florence, Italy, on Wednesday, May 25.
Claudio Villa/Getty Images
People in Magelang, Indonesia, fly lanterns for the Buddhist holiday Vesak on Sunday, May 22. <a href="index.php?page=&url=http%3A%2F%2Fwww.cnn.com%2F2016%2F05%2F20%2Fworld%2Fgallery%2Fweek-in-photos-0520%2Findex.html" target="_blank">See last week in 31 photos</a>
People in Magelang, Indonesia, fly lanterns for the Buddhist holiday Vesak on Sunday, May 22. See last week in 31 photos
Xinhua/Sipa USA