The "vision" of satellites is constantly improving, as is our ability to put the images to good use. But will this information that we receive from miles above our heads cause us to treasure a bit more this earth beneath our feet?
在衛星的「視力」越來越好，人們的應用能力也越來越強時，我們是否能因此更警覺，更疼惜腳下的這一片大地呢？