A Russia-backed rebel looks at the flag covered body of an Ukrainian serviceman in Debaltseve, Ukraine, February 20, 2015. The struggle for the strategic rail hub, Debaltseve, a sleepy town with a pre-war population of 25,000 people, left the town in ruins and became one of the darkest pages in the ongoing conflict in eastern Ukraine, which has already killed more than 6,000 people. (Photo by Vadim Ghirda/AP Photo/File)

Afghans pass a clothing storein Kabul, Afghanistan, Tuesday, October 12, 2021. (Photo by Ahmad Halabisaz/AP Photo)

Two Afghan children stand amid piles of garbage next to their home, in Kabul, Afghanistan, Monday, April 18, 2022. (Photo by Ebrahim Noroozi/AP Photo)

People take a walk among cherry blossoms at a park in Seoul, South Korea on April 6, 2022. (Photo by Kim Hong-Ji/Reuters)

Aerial view of a boat working in the green water of Taihu Lake covered by blue-green algae, Wuxi city, Jiangsu province, China on May 23, 2018. (Photo by Imaginechina/Rex Features/Shutterstock)

A ghost glass frog in the Chocó rainforest, Ecuador in November 2020. The marbled swirling “hypnotising” eyes are thought to be helpful in attracting a mate. (Photo by David Weiller/WENN)

A slogan and crosses are painted on the helmet of a Ukrainian serviceman in Ruska Lozova, a village retaken by the Ukrainian forces, amid Russia's attack on Ukraine, in Kharkiv region, Ukraine on May 16, 2022. (Photo by Ricardo Moraes/Reuters)

Vendors wait for customers at a wholesale vegetable market in Dhaka on September 4, 2022. (Photo by Munir Uz Zaman/AFP Photo)