Children attend a war safety awareness class conducted by civil defence members, in the rebel-controlled area of Maaret al-Numan town in Idlib province, Syria May 14, 2016. (Photo by Khalil Ashawi/Reuters)

Girls prepare to take part in a mermaid lesson in Rio de Janeiro, Brazil May 28, 2017. Women in Brazil are not unique in their affinity for mermaiding. Classes are held as far away as Texas and some folks wonder if mermaiding will be the next fitness craze. (Photo by Pilar Olivares/Reuters)

An internally displaced Afghan girl plays outside her shelter, amid the spread of the coronavirus disease (COVID-19), in Kabul, Afghanistan on May 7, 2020. (Photo by Mohammad Ismail/Reuters)

Giraffes cross under the bridge of the Standard Gauge Railway (SGR) line inside the Nairobi National Park in Nairobi, Kenya, May 25, 2020. (Photo by Baz Ratner/Reuters)

People collect fish on the beach during the coronavirus disease (COVID-19) outbreak in Da Nang, Vietnam on May 6, 2020. (Photo by Kham via Reuters)

A man rides a bicycle by a graffiti under the “Old Sava bridge” over Sava river in Belgrade, Serbia, Wednesday, May 19, 2021. (Photo by Darko Vojinovic/AP Photo)

A man takes photos of a high tide seen in the Bay Of Bengal before Cyclone Yaas arrives in Digha, 205km South of Kolkata, Eastern India, 25 May 2021. (Photo by Piyal Adhikary/EPA/EFE)

Sunrise over St Mary's lighthouse north of Whitley Bay on the coast of north east England on Wednesday, May 19, 2021. (Photo by Owen Humphreys/PA Images via Getty Images)