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View of Pivka river near Postojna cave entrance at nice winter day Slovenia #287203143
Description
View of Pivka river valley on nice winter day.It is a karst lost river in Slovenia. The river is 27 kilometres in length. The Pivka ends in Planina Cave, where it merges with the Rak River and then the Unica River. The confluence of the Pivka and the Rak is one of the largest subterranean confluences in Europe. Postojna Cave is the longest cave system in the country and one of its top tourist sites.February 10th 2015