Caves on the Moon
The Lunar Reconnaissance Orbiter has sent back some amazing pictures of some recently discovered caves on the Moon. I like this one the best.
![cave entrance on the Moon](http://behindtheblack.com/wp-content/uploads/2010/07/cleverpit.jpg)
The Lunar Reconnaissance Orbiter has sent back some amazing pictures of some recently discovered caves on the Moon. I like this one the best.