Secondary school graduates play in a fountain as they celebrate the last day of school, traditionally called the “last bell” in central Kiev, Ukraine on May 31, 2019. (Photo by Valentyn Ogirenko/Reuters)

A woman poses for a photo in a vehicle parked on the street as a tourist attraction, in Bangkok, Thailand on July 29, 2019. (Photo by Soe Zeya Tun/Reuters)

Demonstrators clash with riot police during a protest against President Sebastian Piñera on October 21, 2019 in Santiago, Chile. President Sebastian Piñera suspended the 3.5% subway fare hike and declared the state of emergency for the first time since the return of democracy in 1990. Protests had begun on Friday and developed into looting and arson, generating chaos in Santiago, Valparaiso and a dozen other cities resulting in at least 8 dead. (Photo by Marcelo Hernandez/Getty Images)

A male Philippine eagle named Geothermica is seen in an exclosure at Jurong Bird Park in Singapore on November 27, 2019. Singapore unveiled two Philippine eagles at its main aviary November 27, the first breeding pair of the critically endangered raptors to be brought outside their native country as part of a conservation plan. (Photo by Roslan Rahman/AFP Photo)

Lenka Tanner is pictured in Nottingham, United Kingdom on March 11, 2015. She starred in the Kuoni advert, Run on Water, advertising luxury holidays. She has set up her own synchronised swimming team called AquaStars. Tanner was born in Slovakia and starting synchronised swimming at the age of six. (Photo by Lucy Ray/The Guardian)

A pair of Easter bunnies socialise in the sunshine on April 4, 2021 in Brighton, United Kingdom. Earlier this week, the UK government eased rules on socialising, permitting groups of six people (or more if limited to two households) to meet outdoors. The latest lockdown measures were imposed at the end of last year to curb a surge in Covid-19 cases. (Photo by David McHugh/Brighton Pictures)

A bee approaching the flowers of a willow in Otzberg, Germany on February 28, 2021. Willow catkins are a protected species and one of the first sources of food for insects in early spring. (Photo by Arne Dedert/DPA)

In this picture taken on January 11, 2021, young gymnasts train at the Li Xiaoshuang Gymnastics School in Xiantao, Hubei province. This summer's delayed Tokyo Olympics, which are now due to start on July 23, 2021, will be the defining moment for Chinese gymnasts who have trained relentlessly since as young as age four in the pursuit of gold. (Photo by Nicolas Asfouri/AFP Photo)