And if any of you were alert and coherent during the 1960s -- and we'd forgive you, if you weren't, OK -- you would remember this very famous picture taken by the Apollo 8 astronauts in 1968.
1960년대를 겪어보신 분이 계시다면, 겪어보지 못하셨더라도 상관 없습니다만, 아폴로 8호의 승무원이 찍은 이 유명한 사진을 기억하실겁니다.