Residents wearing masks rest in the shade near a graffiti of a dragon, Friday, May 27, 2022, in Beijing. (Photo by Ng Han Guan/AP Photo)

Construction workers walk past a mural in Phnom Penh on September 6, 2022. (Photo by Tang Chhin Sothy/AFP Photo)

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

An artist draws a mural on a wall during a wall painting competition in Amritsar on February 25, 2023. (Photo by Narinder Nanu/AFP Photo)

Residents of Mathare slum fill bags with coal in hard conditions in the capital of Kenya, Nairobi on November 06, 2023. The coal that workers produce with primitive methods by working overtime in unlicensed workshops is used for heating, cooking and other daily needs. (Photo by Gerald Anderson/Anadolu via Getty Images)

A man rides a bicycle past a mural portraying Bollywood actor Aamir Khan and slogans to encourage people to cast their vote, in Jalandhar on May 10, 2024 ahead of the fourth phase of voting of India's general election. (Photo by Shammi Mehra/AFP Photo)

A timber truck driver (L) dressed as Father Frost is saluted by a soldier at the Kremlin's Spasskiye (Saviour) Gate in Moscow, Russian Federation, on December 24, 2013. (Photo by Vyacheslav Prokofyev/ITAR-TASS/ZUMA Press)

Ngorongoro Crater (Tanzania). At 610m deep and 260 sq km, this is the largest unflooded caldera in the world. A blue-green vision from above it's a haven for engangered wildlife and Maasai livestock. The crater was formed three million years ago when a giant volcano, which could have been as high as Kilimanjaro, exploded and collapsed. The caldera formed the concentric fractures in the crust cracked down to a magma reservoir deep underground. (Photo by John Bryant/Getty Images)