Near The Winners’ Spring there is a small cave in the rocks. In ancient times, druing the Thracians, the cave has been used as a sancturay to the cult of the Sun.
The one, who conquer the sanctuary get the chance to place a little paper sheet with something they wish. These lucks are placed on a specuial place in the cave. The legend says that before the next solstice the wish will be surely come true.