Gold medalist Daniel Brown from Great Britain celebrates his victory at the Rowing LTA Mix 4+ at Lagoa Stadium on day 4 of the Rio 2016 Paralympic Games in Rio de Janeiro, Brazil, on September 11, 2016. #

Cal Fire San Mateo-Santa Cruz Battalion Chief Aldo Gonzales feeds an injured kitten at a home while battling the Clayton Fire near Lower Lake in California on August 15, 2016. #

British athlete Alistair Brownlee (left) helps his exhausted brother Jonathan Brownlee to cross the finish line in second and third place during the ITU World Triathlon Championships 2016 in Cozumel, Quintana Roo, Mexico on September 18, 2016. #

The green sea turtle, also known as 'Honu', is a symbol of good luck and longevity in Hawaiian lore. This passing turtle provided a little mystique to the 2,300 athletes who awaited the start signal of a 140.6-mile journey at the 2016 IRONMAN World Championship triathlon on October 8, 2016 in Kailua Kona, Hawaii. #

Indian women plant saplings on the outskirts of Allahabad, India, on July 11, 2016. More than 800,000 volunteers in India's most populous state of Uttar Pradesh planted nearly 50 million trees in a 24 hour period in hopes of setting a world record. #

A heat-stressed koala rests as a resident pours water on its back on December 19, 2015 in Adelaide, Australia. Adelaide was experiencing an extreme heatwave at the time. #

Colombian President Juan Manuel Santos (left) and Marxist rebel leader Timochenko shake hands after signing an accord ending a half-century war that killed a quarter of a million people, in Cartagena, Colombia, on September 26, 2016. Although a referendum vote earlier in the year rejected a version of the peace accord, a revised agreement was ratified in November, and FARC rebels were to begin disarming and demobilizing in early December. #

Zhiqiang Zhong of China drops his crutches as he prepares to compete in the men's high jump - T42 final during the Rio 2016 Paralympic Games at Olympic Stadium on September 9, 2016. #

Blind deer Tacoma stands in the living room of farmer Margret Nelles (left) and her daughter Caroline, in Grafschaft-Nierendorf, Germany, on March 20, 2016. Nelles was only trying to nurse the deer fawn back to health after it was found injured in a pit, but Nelles soon realised that the animal was blind. #

Wrapped in a Brazilian flag, Giovana Silva, 4, cousin of the Brazilian Judo gold medalist Rafaela Silva is hugged by a friend as they stand next to her aunt Cristiane while she holds a poster of Rafaela Silva, at Cidade de Deus slum in Rio de Janeiro, Brazil, on August 9, 2016. Cidade de Deus is the former home of Silva who grew up there. If not for the sport that helped her climb up and out, “I could still be living in City of God now,” she said through tears after winning on Monday. #

Participants in the annual North East Skinny Dip run into the sea at Druridge Bay, England, on September 25, 2016. About 500 people swam naked in the North Sea to raise money for the mental health charity MIND. #

Bird staff Holly Cale spends time with Moccas, a one year old Andean Condor at the ICBP (International Center for Birds of Prey) on May 16, 2016 in Newent, England. Sharing such close contact with Condors is rare due to their size, and power they are able to generate with their beaks. Mocca has been with Holly almost every day since hatching at the center and the bond between the pair is one of trust. #

Lilly Caron, 8, of Bridgeton, Maine, Jason Homchick, of San Diego, and Lilly's father Jason Caron, (obscured), ride the Sky Swing at Seacoast Adventure in Wyndham, Maine, on July 14, 2016. #

Chinese diver Qin Kai proposes to silver medalist He Zi of China on the podium during the medal ceremony for the Women's Diving 3m Springboard Final on Day 9 of the Rio 2016 Olympic Games at Maria Lenk Aquatics Center on August 14, 2016 in Rio de Janeiro, Brazil. #

Nepalese children play on a swing, popularly known as the "Dashain Ping", on the sixth day of the Hindu festival of Dashain in Lalitpur, on the outskirts of Kathmandu, on October 7, 2016. #

New recruit "Pepper" the robot, a humanoid robot designed to welcome and take care of visitors and patients, holds the hand of a newborn baby at AZ Damiaan hospital in Ostend, Belgium, on June 16, 2016. #

Fifteen year-old Alaskan sea otter 'Yutan' is given a heart-shaped piece of ice treat by his keeper at the aquarium at the Hakkeijima Sea Paradise amusement park in Yokohama, a suburb of Tokyo, on February 6, 2016. #

New England Patriots tight end Martellus Bennett cuddles with his daughter, Jett, after NFL football training camp, on August 16, 2016, in Foxborough, Massachusetts. #

People dance in a pool as they attend the Arenal Sound music Festival held on Burriana beach on August 6, 2016. Arenal Sound Festival is a 5 days music festival attended by arounf 240,000 people on the east coast of Spain between Valencia and Castellon. #

South Carolina Department of Natural Resources officer Gregg Lowery rescues a cat from floodwaters caused by Hurricane Matthew while patrolling for evacuees in Nichols, South Carolina, on October 10, 2016. #

Cyclists Shawn Morelli and Megan Fisher of Team USA sing at the podium with their gold and bronze medals won in the Women's C4 3000m Individual Pursuit at the 2016 Rio Paralympics. #

A three-old-day male baby Asian elephant stands next to his mother Janita in their enclosure at the Prague Zoo on April 8, 2016 in Prague, Czech Republic. According to the zoo, the baby is the first Asian elephant to be both conceived and born in 82 year history of the Prague Zoo. #

Dexis Casadiego, a veterinarian and part owner of the Funasissi animal shelter, caresses an abandoned dog at the private shelter in the working-class Caracas neighborhood of El Junquito, Venezuela, on July 23, 2016. No figures were available, but activists and veterinarians say they were seeing a growing number of dogs and cats abandoned at Venezuela's parks, shelters, and private clinics, during Venezuela's economic crisis. #