This is the second biggest opensky mine in the world, this mine have been used for two thousand years ago by Romans, and nowadays it's used by the NASA because the terrain is such as Mars, the dam you can see at the north of the mine are contamined waters.
A dragline excavator at the Hull-Rust-Mahoning Mine near Hibbing,MN. This mine is the largest open pit iron mine in the world. The mine is approximately 3 miles long, 2 miles wide, and 535 feet deep.
This is an Agricultural school in Peru. Stretching 11.61 km from one end to the other and about 1.6 km at widest point. They grow grapes (up the slopes to the northwest) and citrus I could not make out the row crops.
The Wieliczka Salt Mine, located in the town of Wieliczka in southern Poland, lays within Kraków metropolitan area. The mine had been in continuous operation, producing table salt since the 13th century until 2007 as one of the world's oldest operating salt mines (the oldest being in Bochnia, Poland, some 20 kilometers away from Wieliczka). The mine is a major tourist attraction, with about 1.2...
The Ekati open pit diamond mine in northern Canada. Zoom in to see the huge trucks and excavators. Visit http://www.mining-technology.com/projects/ekati/ for more information on this mine.
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