Aurora Australis from Beerbarrel Beach, by James Stone. Runner Up: Aurorae. (Photo by James Stone/Astronomy Photographer of the Year)

A woman dressed up as a zombie participates in a zombie walk in Stockholm, Sweden on August 19, 2017. (Photo by Jonathan Nackstrand/AFP Photo)

“A Brazilian hotel was evacuated in the capital, Brasilia, on Monday after a man took hostage an employee who was held for hours before he was safely released to police. Firefighters and police cordoned off the area and about 300 guests and other employees left the hotel – some reportedly told to leave by the man who took the employee hostage”. – Associated Press. (Photo by Evaristo Sa/AFP Photo)

“Bear Grylls, (born Edward Michael Grylls, 7 June 1974) is an English adventurer, writer and television presenter. He is best known for his television series Man vs. Wild, known as Born Survivor in the United Kingdom. He was the youngest Briton to climb Mount Everest, doing so at age 23. In July 2009, Grylls was appointed the youngest ever Chief Scout at the age of 35”. – Wikipedia

Photos: Passer inspects “Camelot”, a replica camel carcass simulating that used by adventurer Bear Grylls to shelter in the Sahara desert during an episode of the Discovery Channel's “Man Vs. Wild”, in Wynyard Park on March 1, 2010 in Sydney, Australia. (Photo by Discovery Channel via Getty Images)

Competitors line up their boats for some formalities during the Aberdeen Dragon Boat Races. (Photo by Jessica Hromas)

Coffins are lined up near the wreckage of the bus, on July 29, 2013. (Photo by Salvatore Laporta/Associated Press)

Members of a cheerleading team warm- up during the Russian Cheerleading Championship of students in Moscow on November 20, 2016. (Photo by Natalia Kolesnikova/AFP Photo)