Men wear masks as they sit in the metro in Prague, Czech Republic, 17 March 2020. According to media reports, the Czech government decided to impose a two-week quarantine in the country on the evening of 15 March, and ban all international travel from 16 March 2020. Currently 383 cases of the coronavirus SARS-CoV-2, which causes the Covid-19 disease, have been officially confirmed in Czech Republic. (Photo by Martin Divisek/EPA/EFE)

A Chicago Police Officer runs toward gunfire as looters break into downtown stores in the early hours of the morning on August 10, 2020. (Photo by RMV/Rex Features/Shutterstock)

Lido cabaret dancers perform during a demonstration outside the cabaret as dancers, other employees and union activists are gathering to try to save their jobs and the history of the cabaret, known for its dinner theater and its “Bluebell Girls” revue, Saturday, May 28, 2022 in Paris. Amid financial troubles and changing times, the venue's new corporate owner is ditching most of the Lido's staff and its high-kicking, high-glamour dance shows – which date back decades and inspired copycats from Las Vegas to Beirut – in favor of more modest musical revues. (Photo by Thomas Padilla/AP Photo)

Lauren Metzler, founder of Sydney Mermaids, prepares for a swim at Manly Cove Beach in Sydney, Australia, Thursday, May 26, 2022. There is a strong need, especially after COVID-related lockdowns, to simply play and enjoy creativity, Metzler says. (Photo by Mark Baker/AP Photo)

Chelsea pensioner Mike Smith in the rear of one of two Spitfires flying over Sussex during a surprise flight organised by the Taxi Charity for Military Veterans on Tuesday, September 12, 2023. (Photo by Gareth Fuller/PA Images via Getty Images)

Melania Trump during Melania Trump Unveils The 2007 Cadillac Escalade to The Fashion World at Milk Studios in New York City, New York, United States. (Photo by Jamie McCarthy/WireImage)

A visitor jumps for a photograph on the world's highest and longest glass-bottomed bridge above a valley in Zhangjiajie in China's Hunan Province on August 21, 2016. The bridge, which opened to the public on a trial basis on Saturday, spans 430 meters (1,410 feet) and rises about 300 meters (984 feet) above a valley in a scenic zone, making it the world's highest and longest glass-bottomed bridge according to Chinese state media. (Photo by Fred Dufour/AFP Photo)

“Misty Morning”. Every morning, people expect sunny weather. Photo location: Bali, Indonesia. (Photo and caption by Henry Adam/National Geographic Photo Contest)