
Sarah Kanney, born with Sturge-Weber syndrome, is a motorcross racer. Kanney is in the documentary "On Beauty" and part of photographer Rick Guidotti's Positive Exposure series, which aims to "celebrate the richness and beauty of human diversity." He approaches and captures his subjects like fashion models. Click through our gallery to see more of his images.

Jayne Waithera, also featured in "On Beauty" has albinism. She has worked with Guidotti to create Positive Exposure Kenya, raising awareness and reducing the stigma associated with albinism. Waithera, recipient of the 2015 Nelson Mandela Washington Fellowship, recently met with U.S. President Barack Obama through the Young African Leaders Initiative.

East Africa can be dangerous for people with albinism, like these two brothers. They are referred to as "walking bank notes" because witch doctors believe that the bones and body parts of people with albinism can bring their clients good fortune.

Meeting Christine changed Guidotti's life. "The first person I photographed with albinism, featured in Life magazine." After meeting Christine, Guidotti sought to bring about change with his photography.

Grace is in the second grade and living with Down syndrome. She is a great student and loves to sing and take tap dancing classes.

Rene'e was diagnosed at 14 with a mitochondrial disease. Her photo was chosen to be displayed in Washington, D.C. as part of a child advocacy national photo exhibit.

Irina, in her own words: "I was born in Russia. I was put in an orphanage when I was 4 days old. My mom and dad adopted me when I was five, now I live in Maine. I have two younger sisters. I have achondroplasia, which is the most common form of dwarfism. My bones just don't grow as fast as the average kids, so I'm short. I like Spider-Man, Batman, pirates and trucks. I like to ride my bike and play basketball."

Maggie and Danielle are great friends after meeting at a conference years ago. They are both living with Costello syndrome.

Simone, living with Down syndrome, lives in Italy. He is constantly full of energy.

Tyler, 2, is very happy and energetic. He has a nevus, or a large birthmark. Tyler loves playing outside with his older brothers.

Caleb was born in Liberia. He is a twin and a little person, while his brother, David, is average size. Caleb wants to get into music and acting when he gets older.

Dr. Nadia is currently doing her pediatric residency in Dayton, Ohio. She is living with a rare form of skeletal dysplasia.

Pauline was a great friend of Positive Exposure, Guidotti said. She had Goldenhar syndrome, a rare congenital condition, and passed away in 2008.

Corinna is living with a condition called Isodicentric 15 duplication. Her favorite activity is using her iPad.

Billy has Marfan syndrome, a connective tissue disorder. Billy wants people living with this condition to be proud of their long fingers, arms and legs.

Jayda, living with a deletion missing from her 22nd pair of chromosomes, loves to sing and dance.

Campbell was diagnosed with multiple congenital heart defects and agenisis of the corpus collusom. She just turned 5 and loves the soundtrack to "Frozen," reading books and playing with dolls and ponies. She has recently started using a few signs to communicate but has discovered that signing "please" using a sad face usually gets her whatever she wants.

Arielle and Sarah are twins. Arielle has albinism.

Samantha, 25, lives in New York City and is on staff at the Lower East Side Girls Club. She raises awareness about Familial dysautonomia, is active in Daniel's Music Foundation and plays electric guitar.

PJ, living with arthrogryposis multiplex congenita, has trouble using his arms. But that doesn't keep him from teasing his brother. The disease results in decreased flexibility of joints.

Grace, 12, is living with myotonic dystrophy, an inherited disorder. She loves dogs, riding horses and hanging out with her friends.

Max is "an awesome high school student" living with Down syndrome.


