The 10 weirdest big holes in the world
Most of the giant pits on Earth are made by human mining activities like Darvaza gas fires that burn for 45 years or the world's largest Kimberley diamond mine in South Africa.Video: Huge spill smokes the water between the US reservoir
The water flowed through the giant circular spillway in the middle of California's water reservoir, creating a rare view that attracted the attention of many people.