Ancient cave paintings tell us some of what it was like for the people that thousands and thousands of years ago. These paintings can be found in countries all around the world, and the one thing they all have in common is their depictions of the animal life that existed during the time. Many of the cave paintings are so detailed and well...
Open-pit mining, open-cut mining or opencast mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow. The result of using this technique is a huge visible scar on the earth surface. Here is a list of 10 incredible such open-pit mines. 1. Mirny Mine, Russia Mirny Mine is an...
A sinkhole is a natural depression or hole in the Earth’s surface which may have various causes. Sinkholes may vary in size from 1 to 600 m (3.3 to 2,000 ft) both in diameter and depth, and vary in form. Sinkholes may be formed gradually or suddenly, and are found worldwide. 1. Great Blue Hole, Belize The first sinkhole in the list, and by...
The most incredible caves around the world are the caves where stalactites and stalagmites are found. A stalactite is a type of formation that hangs from the ceiling of caves, hot springs, or man-made structures such as bridges and mines. A stalagmite is a type of formation that rises from the floor of a cave due to the accumulation of...
