50th anniv. of Apollo 11 moon landing marked in Washington D.C., U.S.

A visitor wearing his self-designed spacesuit waits in line to view the spacesuit worn by astronaut Neil Armstrong during a late-night celebration commemorating the 50th anniversary of the Apollo 11 moon landing at the Smithsonian National Air and Space Museum in Washington D.C., the United States, on July 21, 2019. (Xinhua/Ting Shen)