Earthrise is a photo that changed the world. The video embedded below is from the Library of Congress. Experts discuss the impact of this photo.
From Wikipedia: “Earthrise is a photograph of Earth and some of the Moon’s surface that was taken from lunar orbit by astronaut William Anders on December 24, 1968, during the Apollo 8 mission. Nature photographer Galen Rowell declared it “the most influential environmental photograph ever taken”.” (read more.)
Earthrise: Celebrating the Photograph that Changed (How We View) the World