An incredible clear-air lightning display from storms to the east of Noonamah, just outside Darwin on April 6, 2015. (Photo by Jacci Ingham/The Guardian)

A runner in fancy dress participates in the Virgin London Marathon 2013 on April 21, 2013 in London, England. (Photo by Tom Dulat/Getty Images)

Police officers display their AI-powered smart glasses in Luoyang, Henan province, China on April 4, 2018. (Photo by Reuters/China Stringer Network)

A man transports passengers on an improvised motorized rickshaw during heavy rains in Agartala, India, April 20, 2018. (Photo by Jayanta Dey/Reuters)

A traffic light is seen next to the Pink Supermoon in Frankfurt, Germany, April 8, 2020. (Photo by Kai Pfaffenbach/Reuters)

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

A flash of lightning lights up a raincloud hovering over a township in Dharmsala, India, Sunday, April 19, 2020. (Photo by Ashwini Bhatia/AP Photo)

Demonstrators protest against police shootings and racial injustice in New York City, U.S., April 16, 2021. (Photo by David “Dee” Delgado/Reuters)