A general view shows the Popocatepetl volcano as seen from Santiago Xalitzintla, in Puebla state, Mexico March 29, 2019. (Photo by Reuters)

A man walks on spring ice across the frozen Yenisei River outside Krasnoyarsk, Siberia, Russia March 29, 2019. (Photo by Reuters)

The Louvre pyramid is seen during preparations of the installation of French contemporary artist and photographer Jean Rene, aka JR, in the main courtyard of the Louvre Museum in Paris on March 29, 2019, as part of the 30th anniversary celebrations of the Louvre Pyramid. (Photo by AFP)

A view shows the clocks of the artwork "L’Heure de tous" (Everybody’s Time) by French artist Arman (Armand Pierre Fernandez) in front of the Saint-Lazare railway station in Paris, France, March 29, 2019. (Photo by Reuters)

A picture taken on March 6, 2019, shows a Moroccan student at the "The Mohammed VI Institute for the Training of Imams Morchidines and Morchidates" in the Moroccan capital Rabat. (Photo by AFP)

Syrian businessman Ali Shami arranges olive soap bars in a factory on the outskirts of Aleppo on February 10, 2019. (Photo by AFP)

Red Bull driver Max Verstappen of the Netherlands steers his car during the second free practice at the Formula One Bahrain International Circuit in Sakhir, Bahrain, Friday, March 29, 2019. (Photo by AP)

A fan gestures next to a police officer while celebrating the life of British singer Keith Flint of techno group The Prodigy after his funeral in Braintree, Essex, Britain, March 29, 2019. (Photo by Reuters)

This recent undated handout photo released on March 30, 2019 by Thailand’s Department of National Parks, Wildlife and Plant Conservation shows baby elephants trapped in a mud pit in northeastern Prachinburi province. (Photo by AFP)

A water vendor sits in a donkey cart as he transports jerry cans filled with water to hawk, in Athi River, some 30 km from Nairobi, on March 21, 2019, a day before the World Water Day celebrations. (Photo by AFP)