Washington, UNITED STATES
Replicas of a lunar lander and the Viking lander can be seen through the doors of the National Air and...
Replicas of a lunar lander and the Viking lander can be seen through the doors of the National Air and Space Museum, closed to tourists during the coronavirus disease (COVID-19) outbreak in Washington, U.S., May 22, 2020. Picture taken May 22, 2020. REUTERS/Jonathan Ernst
