A photo taken on April 8, 2019 shows blooming trees near Juzes, southern France. (By AFP)

A hoopoe bird is seen in a field in the village of Damour, south of Beirut, Lebanon, on April 8, 2019. (Photo by AFP)

Birds fly as the sun sets over Prague city center, the Czech Republic, on April 9, 2019. (Photo by Reuters)

Performers in traditional costumes are seen at a ceremony to worship Yellow Emperor Xuan Yuan, who is considered by many to be the ancestor of the Chinese, during Qingming tomb-sweeping festival, in Xinzheng City, Zhengzhou, Henan Province, China, on April 7, 2019. (Photo by Reuters)

A firefighter of the underwater unit dives to inspect a submerged car at a road tunnel after heavy rains in Rio de Janeiro, Brazil, on April 9, 2019. (Photo by AFP)

An airliner flies high above a giant gold-colored inflatable astronaut representing Dutch astronaut Andre Kuiper in his astronaut gear to mark the start of the fifth National Museum Week in Sassenheim, the Netherlands, on April 8, 2019. (Photo by AFP)

The Empire State building is lit up in colors and reflected in the East River in New York City, the US, on April 7, 2019. (Photo by AFP)

A view of a bus crushed by a fallen tree in a flooded area in Rio de Janeiro, Brazil, on April 9, 2019 (photo by AFP)