An injured boy who is undergoing surgery, after he was injured in what activists said was an airstrike by forces loyal to Syria's president Bashar al-Assad, rests inside a field hospital in the Douma neighborhood of Damascus, Syria December 5, 2015. Douma in Syria, an area controlled by rebels fighting to topple President Bashar al-Assad, has been shelled continuously for the past three years. The injured are taken to basements and shelters transformed into field hospitals run by medical staff who have stayed in the battered neighbourhood of Damascus. (Photo by Bassam Khabieh/Reuters)

In this April 28, 2015 file photo, heads of tuna on a cart are carried by a fish dealer after the day's auction at Tsukiji Wholesale Market in Tokyo. In one of the biggest of Japan's many New Year holiday rituals, early on Tuesday, January 5, 2016, Tokyo's Tsukiji market will auction off with much fanfare a huge, glistening tuna, likely destined for one of the big sushi chains. If all goes as planned, it will be the last such auction at 80-year-old Tsukiji. (Photo by Shuji Kajiyama/AP Photo)

A man salts a downtown sidewalk in Washington, Thursday, March 5, 2015, as snow begins to fall. The U.S. federal government said its offices in the Washington area will be closed Thursday because of a new round of winter weather expected in the region. The Office of Personnel Management said non-emergency personnel in and around Washington were granted excused absences for the day. Emergency employees and telework-ready employees were expected to work. (AP Photo/Andrew Harnik)

A waitress of The Palais de Tokyo restaurant wears a protective face mask as a precaution against the coronavirus in Paris, Saturday, September 5, 2020. New French cases of COVID-19 jumped in 24 hours to nearly 9,000, health officials said Friday. The 8,975 new cases were the highest number of infections since France successfully grappled with the spread of the coronavirus during a strict two-month lockdown. There were some 1,800 cases less a day earlier and more than for European neighbors. (Photo by Francois Mori/AP Photo)

Ballerinas Kennedy George, 14, and Ava Holloway, 14, pose in front of a monument of Confederate general Robert E. Lee after Virginia Governor Ralph Northam ordered its removal after widespread civil unrest following the death in Minneapolis police custody of George Floyd, in Richmond, Virginia, U.S. June 5, 2020. (Photo by Julia Rendleman/Reuters)

Buddhists monks and children look out from the rooftop at a Buddhist mission hostel and school for underprivileged children as an international passenger flight takes off at the Netaji Subhash Chandra Bose International Airport as the authorities eased restrictions imposed as a preventive measure against the spread of the COVID-19 coronavirus, in Kolkata on July 5, 2020. (Photo by Dibyangshu Sarkar/AFP Photo)

Aliana Alexis of Haiti stands on the concrete slab of what is left of her home after destruction from Hurricane Dorian in an area called “The Mud” at Marsh Harbour in Great Abaco Island, Bahamas on September 5, 2019. Hurricane Dorian lashed the Carolinas with driving rain and fierce winds as it neared the US east coast Thursday after devastating the Bahamas and killing at least 20 people. (Photo by Al Diaz/Zuma Press via AFP Photo)

An Indian labourer carries a sack of plastic bottles on his head near one of the largest disposal sites in north-east India, ahead of the “World Environment Day” in Boragaon area of Guwahati on June 4, 2018. World Environment Day is marked annually on June 5, and aims at promoting awareness and action to protect the environment. (Photo by Biju Boro/AFP Photo)