Girls in Han costumes pose for a photo with blooming cherry blossoms at Yuyuantan Park during Qingming Festival holiday on April 4, 2022 in Beijing, China. Qingming Festival, also known as Tomb Sweeping Day, falls on April 5 this year. (Photo by Zhao Naiming/VCG via Getty Images)

This picture taken on April 25, 2022 and released from North Korea's official Korean Central News Agency (KCNA) on April 26 shows a military parade to celebrate the 90th anniversary of the founding of the Korean People's Revolutionary Army at Kim Il Sung Square in Pyongyang. (Photo by KCNA via KNS/AFP Photo)

A visitor looks at a creation at the Artemide space during Milan Design Week, April 14, 2015. The Milan Design Week will be held until April 19. (Photo by Stefano Rellandini/Reuters)

A traffic policewoman shows her ink-stained fingers after casting her ballot at a polling station, during early voting for the parliamentary election in the northern Iraqi province of Dohuk, April 28, 2014. Iraq will be holding its national elections on April 30. (Photo by Ari Jala/Reuters)

Pigeons walk in front of the Russian Foreign Ministry building (C) in Moscow on April 8, 2024. Russian Foreign Minister Sergei Lavrov will visit Moscow's key diplomatic and economic partner China on April 8-9, his Ministry said in a statement. (Photo by Alexander Nemenov/AFP Photo)

Lightning streaks across the sky as lava flows from a volcano in Eyjafjallajokul April 17, 2010. (Photo by Lucas Jackson/Reuters)

Yaks head towards the Everest base camp in Solukhumbu District April 28, 2014. (Photo by Navesh Chitrakar/Reuters)

Ukrainian Air Force officers attend a graduation ceremony at the National University of Defence of Ukraine in Kiev, April 24, 2015. (Photo by Gleb Garanich/Reuters)