One of my challenges was to try to photograph the Great Wall of China. And I did actually take some photos, but it was hard to discern the wall with the naked eye.
-- Leroy Chiao
   
Leroy Chiao   Name:
Leroy Chiao
Type:
Astronaut
Nationality:
American
Birth:
August 28, 1960
https://www.nutquote.com/quote/Leroy_Chiao