stalagmites

Indeed the world still has many beautiful wonders, just waiting for people to discover it.

Earth - our

This is said to be an artifact of the Neanderthals and is one of the oldest artificial works in the world.

In an article published on Circle of Blue's environmental page, Chris Groves explained how the karst caves and terrain kept a clue about the earth's climate.

Stalagmites in the West Virginia cave have provided the most detailed geological record ever in the climate cycle in eastern North America over the past 7000 years.