PHOTO: Source of the Lison River Near Nans-sous-Sainte-Anne, France
In ancient times, the water flowing from this cave near Nans-sous-Sainte-Anne, France, was believed to be the source of the Lison River. Today geologists know that the river starts much further up the mountain, disappears into the porous Karst limestone that lies beneath the river, and re-emerges much further below, through this cave. The waterfall … Read more