Evan Leversage, who is terminally ill with brain cancer, is greeted by a Christmas decorated dog with his mother Nicole Wellwood (L), and his father Travis Leversage (2nd R) in St. George, Ontario, Canada October 24, 2015. Evan Leversage is a seven-year-old boy who has been living with inoperable brain cancer since he was two years old. His family has organized a Christmas celebration in October complete with a full parade, in case Evan does not live to celebrate his last Christmas day on the traditional date of December 25, according to local media. (Photo by Mark Blinch/Reuters)

Singer Ariana Grande performs during the funeral service for Aretha Franklin at Greater Grace Temple, Friday, August 31, 2018, in Detroit. Franklin died August 16, 2018 of pancreatic cancer at the age of 76. (Photo by Mike Segar/Reuters)

Actress Boquita Almonte smashes an old cell phone on “Good Riddance Day” in Times Square in New York December 28, 2014. Good Riddance Day, inspired by Latin American tradition, encourages people to shred and smash their bad memories from 2014 to start the new year fresh. (Photo by Carlo Allegri/Reuters)

Athletes vie for the ball during the Mud Olympics in Brunsbuettel, Germany, 30 July 2016. Since 2004, amateur athletes have been competing in various events at the mouth of the Elbe river on the North Sea. The proceeds are traditionally donated to the Schleswig-Holstein Cancer Society. (Photo by Daniel Bockwoldt/EPA)

American model Cindy Crawford, 55, recreated her famous Pepsi advert from 1992 for the University of Wisconsin’s Cancer Care Unit. Limited edition prints of the model, shot by the photographer David Yarrow, have a $40,000 price tag and have raised $1 million. (Photo by David Yarrow Photography)

U.S. Air Force wounded warrior, Capt. Sarah Evans, jumps rope in a gym in San Antonio, Texas. Evans was diagnosed with cancer while deployed to Afghanistan and was medically evacuated back to the United States where her leg was amputated. (Photo by Master Sgt. Jeffrey Allen/U.S. Air Force)

An Israeli soldier looks through her cell phone as she enjoys the Ranunculus flowers in a field in the southern Israeli Kibbutz of Nir Yitzhak, located along the Israeli- Gaza Strip border, during the Jewish holiday of Pesach (Passover) on April 12, 2017. (Photo by Menahem Kahana/AFP Photo)

“Thunderstruck”. Summer stom. A super cell formed off the coast of New Zealand, intensified and swept across Christchurch and North Canterbury, February 23, 2014. Photo location: Christchurch, New Zealand. (Photo and caption by David Hardy/National Geographic Photo Contest)