A lone protester sings outside the offices of Republican president-elect Donald Trump at Trump Tower in New York, New York, U.S. November 14, 2016. (Photo by Carlo Allegri/Reuters)

Japan's Kana Muramoto and Chris Reed compete in the figure skating team event ice dance short dance during the Pyeongchang 2018 Winter Olympic Games at the Gangneung Ice Arena in Gangneung on February 11, 2018. (Photo by John Sibley/Reuters)

Sumo wrestlers in their women's match at the 2021 Russian Sumo Championship at Ak Bars Wrestling Palace in Kazan, Russia on February 14, 2021. There are over 6,000 sumo wrestlers in Russia. (Photo by Yegor Aleyev/TASS)

Natasha Hastings of U.S. on the starting block before the women's 400 metres heats during the 15th IAAF World Championships at the National Stadium in Beijing, China August 24, 2015. (Photo by Lucy Nicholson/Reuters)

In this April 28, 2015 file photo, heads of tuna on a cart are carried by a fish dealer after the day's auction at Tsukiji Wholesale Market in Tokyo. In one of the biggest of Japan's many New Year holiday rituals, early on Tuesday, January 5, 2016, Tokyo's Tsukiji market will auction off with much fanfare a huge, glistening tuna, likely destined for one of the big sushi chains. If all goes as planned, it will be the last such auction at 80-year-old Tsukiji. (Photo by Shuji Kajiyama/AP Photo)

Caroline Wozniacki of Denmark serves in her match against Kaia Kanepi of Estonia during day four of the Toray Pan Pacific Open at Ariake Colosseum on September 28, 2011 in Tokyo, Japan. (Photo by Koji Watanabe/Getty Images)

Players perform during a game at the first Bubble Soccer tournament in Hitzkirch, near Lucerne, Switzerland, June 27, 2015. Bubble Soccer, also known as Zorb Soccer, is becoming increasingly popular around the world. The game is a recreation of playing soccer whilst encased in an inflated zorb which covers the players upper-body and head. (Photo by Urs Flueeler/EPA)

This summer China opened its door to its first private bodyguard training company in Beijing. Genghis Security Academy offers rigorous training course which includes aquatic training, martial arts, vehicle safety training and other necessary skills. Photo: Female and male trainees run during a bodyguard training program at the boot camp of Genghis Security Academy in Beijing, China. (Photo by ImagineChina/The Grosby Group)