Schwarzenegger began weight training at the age of 15. He won the Mr. Universe title at age 20 and went on to win the Mr. Olympia contest seven times. Schwarzenegger has remained a prominent presence in bodybuilding and has written many books and articles on the sport. Schwarzenegger gained worldwide fame as a Hollywood action film icon. He was nicknamed the "Austrian Oak" and the "Styrian Oak" in his bodybuilding days, "Arnie" during his acting career and more recently "The Governator" (a portmanteau of "Governor" and "The Terminator" – one of his best-known movie roles).

Participant rides a carousel at the women's-only Petrolettes motorcycle festival on July 21, 2018 in Milmersdorf, near Berlin in Germany. Around 300 bike women from across Europe come together for the third edition of the festival. Women connect their passion for high speed motorbikes with music, movies, races, yoga etc. Festival that goes for three days was initiated by a group of female motorbike riders called The Curves. (Photo by Maja Hitij/Getty Images)

Cars at a car dealership are seen in the flooded village of Fischerdorf, near Deggendorf June 7, 2013. REUTERS/Michaela Rehle

A man takes a picture of sea spray as storms hit Cape Town, South Africa, June 7, 2017. (Photo by Mike Hutchings/Reuters)

A hippopotamus performs during a show at the circus in Krasnoyarsk, Siberia, Russia, July 7, 2016. (Photo by Ilya Naymushin/Reuters)

Bella Hadid arriving at her hotel on December 7, 2017 in London, England. (Photo by Palace Lee/PacificCoastNews)

A subway worker walks away after a train departed the station in central Pyongyang, North Korea May 7, 2016. (Photo by Damir Sagolj/Reuters)