Discover giant hole "lay" the world's biggest diamond

A huge crater with a powerful jet stream, can suck down helicopters, essentially a diamond mine in Russia, said to be worth about $ 17 billion.

Is considered the "diamond city", Mir diamond mine in Siberia in Russia is a giant crater with a diameter of more than 525 meters deep and 1 km.

Diamond mining pits spiral coils generate powerful winds that can suck a helicopter hit the bottom.

Diamond mining pits spiral coils generate powerful winds that can suck a helicopter hit the bottom.

Zone diamond mine in Siberia is one of the places with the most severe weather in the world. Winter here can last up to 7 months and temperatures drop below -40 degrees C.

Mir diamond mine owned by Russian company Alrosa. At its peak this mine can exploit 2 million carats of rough diamonds per year, accounting for one quarter diamond production worldwide.

To increase diamond mining production, the mine was built to replace the open-pit mining technology with high cost.