An officer wipes sweat off the face of a Chinese People's Liberation Army (PLA) honor guard soldier as they rehearse for a welcoming ceremony for New Zealand's Governor-General Sir Jerry Mateparae at the Great Hall of the People in Beijing, Tuesday, July 21, 2015. (Photo by Mark Schiefelbein/AP Photo)

Athletes from Australia's Olympic team going to the 2016 Olympics in Rio present their uniforms alongside Brazilian Samba dancer Sashya Jay at an official unveiling ceremony at Sydney's Bondi Beach, March 30, 2016. (Photo by Jason Reed/Reuters)

Zamora, 55, self-employed, poses for a photograph in front of the Cuban and U.S. flags after buying a pineapple in Havana, March 25, 2016. Regarding Obama's historic visit to the island, Zamora said “It's good for the Cubans that he came and re-established relationships between the two countries”. (Photo by Ueslei Marcelino/Reuters)

Sara Takanashi of Japan, Maja Vtic from Slovenia and Germany's Carina Vogt (R-L) prepare for a training session of the women's Individual normal hill HS100 ski jumping at the Nordic World Ski Championships in Falun February 18, 2015. (Photo by Kai Pfaffenbach/Reuters)

Switzerland's lead Nicole Schwaegli (L) and second Marisa Winkelhausen sweep during their curling round robin game against Japan at the World Women's Curling Championships in Sapporo March 14, 2015. (Photo by Thomas Peter/Reuters)

A woman stands next to a giant jandal on Tamarama Beach as giant sculptures are installed ahead of the “Sculpture by the Sea” exhibition in Sydney on October 19, 2016. Celebrating it's 20th anniversary, Sculpture by the Sea is the world's largest annual, free-to-the-public, outdoor sculpture exhibition. (Photo by William West/AFP Photo)

The manager of Jinhua Partytime Latex Art and Crafts Factory wears a mask of U S. Democratic presidential candidate Bernie Sanders as he poses and gives a thumbs-up as during a presentation of products to reporters at his factory's showroom in Jinhua, Zhejiang Province, China, May 25, 2016. (Photo by Aly Song/Reuters)

China's Wang Yan performs on the balance beam during the artistic gymnastics women's individual all-around final at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Thursday, August 11, 2016. (Photo by Julio Cortez/AP Photo)