Paolo answers: Have you ever seen the Big Coral Reef from space?

Paolo answers Mark from Moscow, aged 8, student at the Centre for Environmental Education (Moscow City Palace of Children`s and Youth`s Creativity, Russia) who asks: Have you ever seen the Big Coral Reef from space?
Mark, you can also see Paolo's pictures from space, including coral reefs and volcanos: www.flickr.com/magISStra