Water present in the holes and cracks of underground rocks situated below the upper layer of the earth is known as underground water. In regions of limestone rocks, various types of land forms are built by underground water, through the oxidation process, above and below the surface. Lime region is known as karts region.
The word ‘karts region’ has originated from the word ‘Krass region’ from Yugoslavia. On the basis of this name, topographies formed in limestone regions are known as karts topographies in all the countries of the world. Topographies formed in these regions are known as karts topographies.