Catacombs of Petrovaradin Fortress

A tour of the catacombs of Petrovaradin Fortress in Novi Sad on 25 July. It starts at 13:00, meeting point at Ušće, Belgrade. The Russian-language tour includes a walk on the fortress and a descent into the underground with a guide. Price is 2000 dinars. Train fare from Belgrade is paid separately (≈600 dinars one way on the Soko train).