U.S. President Joe Biden speaks about gun violence prevention in the Rose Garden at the White House in Washington D.C., the United States, April 8, 2021. /CFP

Employees of PovoDOG Animal Shelter, a private animal shelter, and some dogs participate in the Emotional Support Dog project at the Krasnoyarsk International Airport in Russia on April 9, 2021. Emotional Support Dog is a joint project between the airport and the animal shelter that provides emotional support to passengers ahead of their flight. /CFP

Flowers are laid on the floor at Windsor Castle in Windsor, Britain, April 10, 2021. Britain's Prince Philip, Queen Elizabeth II's husband, died at the age of 99, Buckingham Palace announced Friday. /CFP

Ecuador's Vice President Maria Alejandra Munoz (C) speaks during the arrival of the second batch of China's Sinovac vaccines at Mariscal Sucre International Airport in Quito, Ecuador, April 10, 2021. /CFP

Pieces of roof tiles and other debris litter the ground at a school following an earthquake in Malang, East Java, Indonesia, April 10, 2021. /CFP

Excavation workers carry pottery vessels unearthed from the archeological site of the "Lost Gold City" in Luxor, Egypt, April 10, 2021. /CFP

People wait in line for the Covid-19 vaccine outside of the Facebook Inc. headquarters in Menlo Park, California, U.S., April 10, 2021. Facebook converted part of its headquarters into a vaccination clinic for under-served communities. /CFP