Perućica Primary Forest, a Nature Reserve in Sutjeska National Park, Bosnia and Herzegovina - stock photo

Photograph of a fallen tree which is used a a natural bridge to cross a stream in Perućica Nature Reserve, one of the last two remaining old growth forests in Europe. Perućica Primary forest (Virgin Forest) is located is located in Sutjeska National Park, Republika Srpska, Bosnia and Herzegovina. Sutjeska National Park is the oldest national park in Bosnia and Herzegovina. It is located on the east of the country, on the border with Montenegro.