South Korean singer CL performs during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, February 25, 2018, after 17 days of hard- fought competition. Olympic fire went out. (Photo by Natacha Pisarenko/AP Photo)

A reveller poses for a photo during the LGBT Pride Parade in Copacabana beach in Rio de Janeiro, Brazil, November 15, 2015. (Photo by Pilar Olivares/Reuters)

A medical worker wearing a full protective outfit tests a man for Covid-19 symptoms in a street in Wuhan, China, 01 April 2020. Wuhan, the epicenter of the coronavirus outbreak, partly lifted the lockdown allowing people to enter the city after more than two months. According to Chinese government figures over 2,500 people have died of Covid-19 in Wuhan since the outbreak began. (Photo by Roman Pilipey/EPA/EFE)

A participant poses for a photograph at the annual Easter Parade and Bonnet Festival in the Manhattan borough of New York City, New York, U.S. on April 1, 2018. (Photo by Gaia Squarci/Reuters)

Models showcase designs on the catwalk during the SCFASHION Qi Gang Spring/Summer 2012 show on the Fourth day of China Fashion Week Spring/Summer 2012 at the Banquet Hall, Beijing Hotel on October 27, 2011 in Beijing, China. (Photo by Lintao Zhang/Getty Images)

Competitors gather backstage as they prepare to take part in the All Ireland Irish Dancing Championships on November 2, 2016 in Belfast, Northern Ireland. The championships take place at the Waterfront Hall over the course of six days with winners qualifying for the World Irish Dancing Finals which will take place in Dublin next year. (Photo by Charles McQuillan/Getty Images)

In this October 14, 2013 photo, ecology professor Ricardo Freitas catches a broad-snouted caiman to examine, then release back into the water channel in the affluent Recreio dos Bandeirantes suburb of Rio de Janeiro, Brazil. Caimans are like tanks, a very old species with a remarkable capacity for renovation that allows them to survive under extreme conditions where others couldn't, said Freitas, who runs the Instituto Jacare, or the Caiman Institute, which aims to protect the reptiles. (Photo by Felipe Dana/AP Photo)