Mexico City is built on top of an underground resevoir!
47
Australia's Great Barrier Reef is 1,250 miles long!
45
The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
More than 25% of the world's forests are in Siberia.
51
The North Atlantic gets 2.5 centimetres (1in) wider every year.
119