Blooming cherry trees are pictured in the Jerte Valley’s village of Tornavacas, in Caceres Province, Spain, on March 26, 2019. (Photo by AFP)

The Washington Monument is seen as buds begin to show on cherry trees near the Tidal Basin in Washington, the US, on March 27, 2019. (Photo by Reuters)

Birds rest on the banks of the Susquehanna River near the nuclear plant on Three Mile Island, in Middletown, Pennsylvania, the US, on March 26, 2019. (Photo by AFP)

The sun sets behind electricity wires in Colombo, Sri Lanka, on March 27, 2019. (Photo by AFP)

A thick blanket of smog covers the Hanoi skyline, in Vietnam, early in the morning on March 28, 2018. (Photo by AFP)

A man pulls a tricycle, with its cycle chain broken and loaded with cardboard for recycling, in Beijing, China, on March 27, 2019. (Photo by AFP)

An anti-Brexit protester waves flags outside the houses of parliament in London, Britain, on March 27, 2019. (Photo by Reuters)

Security personnel stand outside a Sony smartphone plant as workers leave the compound in Beijing, China, on March 27, 2019. (Photo by Reuters)

An elderly Vietnamese woman wearing a face mask does her morning exercise amid a blanket of smog over Hanoi, Vietnam, on March 28, 2018. (Photo by AFP)

This aerial photo, taken on March 26, 2019, shows different colored flowers used to create the logo of the 19th Asian Games near the under-construction venues in Hangzhou in China’s eastern Zhejiang Province. (By AFP)