A Monster Jam truck performs a back flip during the first-ever monster truck event in Beijing's iconic “Bird's Nest” National Stadium on Saturday, July 29, 2017. (Photo by Ng Han Guan/AP Photo)

In this Friday, September 15, 2017 photo, ballet dancers from Uruguay’s National ballet of the Sodre put on lipstick before a dress rehearsal for Romeo and Juliet in Montevideo, Uruguay. Dancers practice Monday through Friday for eight hours at a time. (Photo by Matilde Campodonico/AP Photo)

A mural painted on a fence depicts US President Donald Trump as the Coronavirus in San Francisco, California on April, 01, 2020. All 40 million residents of California were Thursday ordered to stay at home indefinitely in a bid to battle the coronavirus pandemic in the nation's most populous state. (Photo by Josh Edelson/AFP Photo)

People take cover as riot police use pepper spray projectile during a protest as a second reading of a controversial national anthem law takes place in Hong Kong, China on May 27, 2020. (Photo by Tyrone Siu/Reuters)

A child carrying a small broom walks by a line of National Guard members deployed to Bellevue Square as community members clean up after looting and vandalism that occurred Sunday at Bellevue Square in downtown Bellevue, Washington, U.S. June 1, 2020. (Photo by Lindsey Wasson/Reuters)

A one-horned rhinoceros crosses a road inside Kaziranga national park on the eve of the World Rhino Day in Gauhati, India, Tuesday, September 21, 2021. Kaziranga is home to nearly 2,500 one-horned rhinos and is the world’s largest habitat for the rare animal. (Photo by Anupam Nath/AP Photo)

NHRA top fuel driver Spencer Massey explodes the engine of his dragster on fire during the Thunder Valley Nationals at Bristol Dragway on October 17, 2021. Massey was unhurt in the incident. (Photo by Mark J. Rebilas/USA TODAY Sports)

People in Kathmandu joke that the face mask has now become part of the national dress – an indispensable accessory in an effort to protect themselves from the dust. Nepal has the worst air quality in the world, according to the Environmental Performance Index. (Photo by Pete Pattisson/The Guardian)