Young people fight for fun with their pillows, during the International Pillow Fight Day at the Place des Grottes, in Geneva, Switzerland, Saturday, April 4, 2015. The annual International Pillow Fight Day takes place in hundreds of cities around the world. (Photo by Salvatore Di Nolfi/AP Photo/Keystone)

A student uses a ruler to measure the distance between forks before a formal dinner at The International Butler Academy China on September 16, 2014 in Chengdu, China. Over the last several years, there has been a surge in demand among China's wealthy for Western-trained butlers, with many academies seeing large portions of their graduating classes hired by Chinese families or companies. (Photo by Taylor Weidman/Getty Images)

In this picture taken Friday, September 8, 2017, Brazilan Samba dancers perform on stage during the Harare International Carnival in the capital. An international carnival aimed at boosting the local tourism industry has ended in economically troubled Zimbabwe. Some viewed the Harare festivities, which ended Sunday and featured artists and dancers from Brazil, Cuba, Egypt and elsewhere, as a relief from the struggle to get by in the southern African country. (Photo by Tsvangirayi Mukwazhi/AP Photo)

Russian servicemen look on as a Mi-24 helicopter fly overhead during the Open Water competition for pontoon bridge units, as part of the International Army Games 2018, outside Murom, Russia August 3, 2018. (Photo by Maxim Shemetov/Reuters)

Women perform the Chilean protest song about rape culture, “A rapist in your path”, during a protest march marking International Women's Day, in Lima, Peru. Saturday, March 7, 2020. March 8th has been sponsored by the United Nations since 1975 as International Women's Day, celebrating women's achievements and aiming to further their rights. Marches and protests are held across the globe with calls for a more gender-balanced world to mark the day. (Photo by Rodrigo Abd/AP Photo)

To the woman presented a flower in Sevastopol, Ukraine, on March 8, 2013. Activists presented this day on the street free 155 tulips to women. The police tried to arrest activists for illegal trade as couldn't believe in free distribution of flowers. (Photo by Sergey Anashkevitch)

A member of the USA Knights team is seen wearing a face-like helmet shield during the International Medieval Combat championships at the castle of Belmonte, May 4, 2014, in Belmonte, Spain. The steel armor the knights wear can cost up to $10,000 and weigh 80 pounds. (Photo by Juan Naharro Gimenez/Getty Images)

A dark Devon Rex cat is held by its owner during a competition in Bucharest, Romania, Saturday, September 26, 2015. More than 300 cats entered the international feline beauty competition in the Romanian capital. (Photo by Vadim Ghirda/AP Photo)