Travertines of Pamukkale (thermal pools)

Somewhere deep in the earth beneath Pamukkale (whose name in Arabic means "cotton castle") and the ancient Roman city of Hierapolis, there is a great source of water that is heated by lava, the pure white calcium water dissolves and becomes saturated with it and carries it to the surface of the earth where it erupts and gushes On a steep hillside, and it is cooled in the open air, calcium precipitates from it and sticks to the soil and forms white calcium “waterfalls” frozen in stone called travertine, and this water erupts in Pamukkale more than two thousand years ago, and the Romans built the spa city in Hierapolis so that the citizens Come and enjoy the health benefits of hot mineral water and the amazing view offered by this unique natural phenomenon.