People in costume gather for the annual Dia de los Muertos, or Day of the Dead, festival at the Hollywood Forever cemetery in Hollywood, California, on October 29, 2016. Dia de los Muertos is a festival to remember friends and family members who have died and originated in Mexico.
People in costume gather for the annual Dia de los Muertos, or Day of the Dead, festival at the Hollywood Forever cemetery in Hollywood, California, on October 29, 2016. Dia de los Muertos is a festival to remember friends and family members who have died and originated in Mexico.
MARK RALSTON/AFP/AFP/Getty Images
A woman prays near a plaque commemorating relatives on All Souls Day at a cemetery in Mumbai, India, on November 2, 2017. All Souls Day is observed in remembrance of friends and loved ones who passed away.
A woman prays near a plaque commemorating relatives on All Souls Day at a cemetery in Mumbai, India, on November 2, 2017. All Souls Day is observed in remembrance of friends and loved ones who passed away.
PUNIT PARANJPE/AFP/Getty Images
A woman makes offerings at a park during the month of the Hungry Ghost Festival on August 14, 2015 in Hong Kong. One of the main activities of the Chinese festival includes paying respects with food offerings to hungry ghosts.
A woman makes offerings at a park during the month of the Hungry Ghost Festival on August 14, 2015 in Hong Kong. One of the main activities of the Chinese festival includes paying respects with food offerings to hungry ghosts.
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Vodou devotees participate in ceremonies on the Day of the Dead in Port-au-Prince, Haiti, on November 2, 2017.
Vodou devotees participate in ceremonies on the Day of the Dead in Port-au-Prince, Haiti, on November 2, 2017.
HECTOR RETAMAL/AFP/Getty Images
A young child walks across a pumpkin patch in Culver City in southern California, ahead of Halloween. In the US, Halloween is celebrated with child-friendly activities, like trick-or-treating, carving pumpkins into jack-o'-lanterns and dressing in costumes.
A young child walks across a pumpkin patch in Culver City in southern California, ahead of Halloween. In the US, Halloween is celebrated with child-friendly activities, like trick-or-treating, carving pumpkins into jack-o'-lanterns and dressing in costumes.
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A woman takes flowers to the grave of a relative during the Day of the Dead at a cemetery in Tegucigalpa, Honduras, on November 2, 2017.
A woman takes flowers to the grave of a relative during the Day of the Dead at a cemetery in Tegucigalpa, Honduras, on November 2, 2017.
ORLANDO SIERRA/AFP/Getty Images
People dress up as zombies as part of the annual Zombie Walk in Berlin, Germany, on October 26, 2013. This walk traditionally occurs the last weekend before Halloween.
People dress up as zombies as part of the annual Zombie Walk in Berlin, Germany, on October 26, 2013. This walk traditionally occurs the last weekend before Halloween.
Courtesy Raymond Angeles