A girl attends Friday prayers in front of an army tank in Tahrir Square in Cairo February 18, 2011. Five years ago thousands of protesters took to the streets demanding the end of the 30-year reign of President Mubarak as Egypt became the second country to join the Arab Spring. After weeks of clashes, strikes and protests across Egypt, Mubarak resigned on February 11, 2011. (Photo by Suhaib Salem/Reuters)

Some women doing yoga pose on the hammocks during the Anti-Gravity yoga class at Svarga e-Motion Sanctuary at Dharmawangsa Square, Jakarta, Saturday, April 18, 2015. Anti-Gravity Yoga or “aerial yoga”, is a new type of yoga, originating in New York but now being practised in several countries, which combines the traditional yoga poses, pilates and dance with the use of a hammock. (Photo by Jurnasyanto Sukarno/JG Photo)

A street cleaner demonstrates his martial arts skills in front of a closed shop near Beijing's Tiananmen Square September 2, 2015 as the capital prepares for tomorrow's parade. (Photo by Damir Sagolj/Reuters)

Dancers wearing new bikinis perform in front of passers-by and a line of photographers during a promotional flash mob event on a square outside Shinjuku station in Tokyo on July 18, 2016. The event was organized by the Japan Swimsuit Association to promote new swimwear. (Photo by Toru Yamanaka/AFP Photo)

Cheering The News of Germany's Surrender New Yorkers Gather around a youth wearing a mask of Adolf Hitler to cheer the news of the Surrender of Germany on May 7. The Crowd is gathered in times Square, New York. May 08, 1945. (Photo by New York Post/Photo Archives, LLC via Getty Images)

A statue of Vladimir Lenin in 1905 Goda Square in Yekaterinburg, Russia on October 14, 2020, with a face mask put on and signed “Protect Yourself and the Ones You Love”. A group of medical volunteers has put face masks on local statues with consent from the authorities. (Photo by Donat Sorokin/TASS)

This photograph taken during a government organised media tour shows College of Science graduates from Tibet University celebrating their graduation at the Potala Palace Square in the regional capital Lhasa, in China's Tibet Autonomous Region, on June 1, 2021. (Photo by Hector Retamal/AFP Photo)

Dancer Maithili Vijayakumar performs on the occasion of the launch of 2021 Diwali celebrations, at St. Andrew Square in Edinburgh, Scotland, Tuesday, November 16, 2021. The multi-cultural celebration will take place for the first time in two years in the center of Edinburgh on Sunday, Nov. 21. (Photo by Andrew Milligan/PA Wire via AP Photo)