Amazing visualization of the UK from the BBC's "Britain from Above." Air traffic:
[youtube=http://www.youtube.com/watch?v=sEZcBeE33wc&fmt=18]
Ships passing through the English Channel:
[youtube=http://www.youtube.com/watch?v=z50XoqzOBLQ&fmt=18]
[youtube=http://uk.youtube.com/watch?v=nokQBjk1s_8&fmt=18]
[Via]