Passengers on the Beijing subway can pay with plastic bottles.
29
Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
You can start a fire with ice.
367
The worlds oldest piece of chewing gum is over 9000 years old!
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The largest hotel suite in the world is located 22 stories under the surface in the Grand Canyon Caverns. One night for two people in this 65 million year old cave is $700.
4
One human hair can support 3 ounces.
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