Khewra Salt Mines, Second largest in the world, The Khewra Salt Mines are among the world's oldest and biggest salt mines, beauty of pakistan, beauty products in pakistan, Best Wallpapers, pakistan beauty, pakistan natural beauty, pakistan natural beauty pictures, pakistan nature beauty, the beauty worlds

Khewra Salt Mines - Second largest in the world

The Khewra Salt Mines are among the world's oldest and biggest salt mines. Salt is mined at Khewra in an underground area of about 110 square kilometres (42 sq mi). Khewra salt mine has an estimated total of 220 million tonnes of rock salt deposits. The current production from the mine is 325,000 tons of salt per annum.