The Olympic flame arrived in Japan on March 20. (Photo: VCG)

The China Conservation and Research Center for the Giant Panda on Tuesday welcomed the birth of the world's first pair of captive-bred giant panda twins this year. (Photo: VCG)

Photo taken on Wednesday shows cherry blossoms at the Tidal Basin in Washington D.C., United States. (Photo: Xinhua)

People sit a certain distance away from each other while waiting to receive medical tests at a makeshift medical test center in Hawalli Governorate, Kuwait on Tuesday. (Photo: Xinhua)

Hot air balloons are seen in the sky during the annual Canberra Balloon Spectacular festival in Canberra, Australia on Monday. (Photo: Xinhua)

A bird's eye view of Yuncheng Salt Lake, located in north China's Shanxi Province and known as China's Dead Sea. It looks like colorful palettes as temperatures start to rise on Wednesday. (Photo: VCG)

Photo taken in Brussels of Belgium on Monday shows World Health Organization (WHO) Director-General Tedros Adhanom Ghebreyesus speaking at a virtual press conference held in Geneva, Switzerland. (Photo: Xinhua)

Villagers attend a spring ploughing ceremony in Xierong Village, Quxu County, Lhasa, southwest China's Tibet Autonomous Region, on Monday. (Photo: Xinhua)

Medical worker Cheng Xiaoxue from southwest China's Guizhou Province waits to board a train at the Wuhan Railway Station in Wuhan, central China's Hubei Province, on Tuesday. (Photo: Xinhua)

Traders work at the New York Stock Exchange (NYSE) in New York City, United States, on March 18, 2020. The NYSE said on Wednesday it will temporarily close its trading floor and move to fully electronic trading because of the COVID-19 outbreak. (Photo: Xinhua)