The city of Houston, Texas is built on a swamp and is slowly sinking!
89
The Sahara desert expands at about 1km per month.
90
Mexico City is built on top of an underground resevoir!
47
In 1850, only 8% of the people in California were women.
0
There are approximately three chickens for every human on Earth.
13
One cubic mile of seawater contains about 50 pounds of gold.
79
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14