A couple shares a light moment in a Mass Transit Railway (MTR) subway train in Hong Kong, China on August 28, 2019. (Photo by Anushree Fadnavis/Reuters)

A green iguana, or American iguana sits on an Aldabra giant tortoise, the largest tortoise of the world, in their enclosure at the zoo park of Lille, northern France, on February 11, 2019. (Photo by Philippe Huguen/AFP Photo)

A model presents a creation from the Chromat collection during New York Fashion Week in New York, U.S., February 8, 2019. (Photo by Caitlin Ochs/Reuters)

A model presents a creation during the Vivienne Westwood catwalk show at London Fashion Week Women's A/W19 in London, Britain February 17, 2019. (Photo by Henry Nicholls/Reuters)

People take part in the in the 41st annual Gay and Lesbian Mardi Gras parade in Sydney, New South Wales, Australia, 02 March 2019. The 41st parade features almost 200 floats. (Photo by Steven Saphore/EPA/EFE)

A woman counts her money as she sells flowers ahead of International Women's Day in central Kiev, Ukraine on March 7, 2019. (Photo by Gleb Garanich/Reuters)

Dancers perform as human sculptures during an exhibition in Hong Kong, China, 26 March 2019. The exhibition entitled “Multisensory Exhibition Urban Playgrounds” shows how Austrian artist Willi Dorner uses urban spaces to interpret the relationship between bodies and objects. (Photo by Jerome Favre/EPA/EFE)

Two models pose backstage before presenting the collection of Chinese designer Zhang Peng during the China Fashion Week in Beijing on March 29, 2019. (Photo by Fred Dufour/AFP Photo)