Korean People's Army (KPA) soldiers march during a mass rally on Kim Il Sung square in Pyongyang on September 9, 2018. Thousands of North Korean troops followed by artillery and tanks paraded through Pyongyang on September 9 as the nuclear-armed country celebrated its 70th birthday, but it refrained from displaying the intercontinental ballistic missiles that have seen it hit with sanctions. (Photo by Ed Jones/AFP Photo)

Ethnic Miao women in traditional costumes take part in a tug of war as they celebrate the local ethnic Miao's new year at a village in Rongshui Miao Autonomous county, Guangxi Zhuang Autonomous Region, China January 5, 2019. (Photo by Reuters/China Stringer Network)

Crown line handler Bobby Marie controls “Chain Gang” as the balloon is inflated during the 43nd Annual Helen to the Atlantic Balloon Race and Festival, in Helen, Georgia, USA, 04 June 2016. The race is the oldest balloon event in the southern USA and United States' only long-distance hot air balloon race, according to the organizers. (Photo by Erik S. Lesser/EPA)

Clashes break out in the stands during the Euro 2016 Group B soccer match between England and Russia, at the Velodrome stadium in Marseille, France, Saturday, June 11, 2016. (Photo by Thanassis Stavrakis/AP Photo)

A participant blows on yellow powder held in her hand during a Holi Party before the Gay Pride Parade in Barcelona on July 9, 2016. (Photo by Lluis Gene/AFP Photo)

Emily Ratajkowski is seen at “Jimmy Kimmel Live” on August 07, 2017 in Los Angeles, California. (Photo by Rex Features/Shutterstock)

Actor Bella Thorne (L) and model Amber Rose at the NYLON Young Hollywood Party at AVENUE Los Angeles on May 2, 2017 in Los Angeles, California. (Photo by Joe Scarnici/Getty Images for NYLON)

A monkey is led by its trainer Qi Defang during training for a circus in Suzhou, Anhui province, November 29, 2014. Suzhou is known as the hometown of circus troupes in China and has more than 300 circus troupes. (Photo by William Hong/Reuters)