The Stopića Cave is a limestone cave near Sirogojno, on the slopes of Mount Zlatibor in western Serbia. It has been protected by the state as a natural monument. It is located in the village of Rožanstvo, 19 kilometres (12 mi) from the town of Zlatibor. This photograph shows cascading tufa "bathtubs" filled with water within the cave.Photograph credit: Čedomir Žarković