Godess Hera becomes angry when Zeus and Godess Leto fell in love with each other.Leto escapes to Delos and gives birth to Apollo and Artemis. The local villagers do not let Leto to wash her babies in the river Xanthos. So Leto changes them to frogs. This story took place in Letoon which was the religious centre of Lycian Federation. Known with the three temples dedicated to Leto, Artemis and Apollon.