Calm Before the Storm Artificial lake in southeast Serbia with an area of ​​15 km² and a depth of up to 35 m. The lake every minute affluent two cubic meters of water first rang quality. Mountain, Vrla, Jerma, Santa River, Lisinska Ljubotenska rivers and their tributaries to the river (about 110 total) make up the water of the lake. Photo: M.Zdravković/Jugmedia