Go back in time and get to know the late Roman barrier system Claustra Alpium Iuliarum that protected the passageways to the heart of the Roman Empire. This mobile application takes you to 20 archeological sites of the barrier system that span in segments from Rijeka in Croatia to the Posočje in Slovenia.

Visit all the locations along the Claustra cultural route and get to know their attractions, flora and fauna through an interesting audio guide. Collect points and unlock items of clothing to dress the late Roman soldier.

The project was funded by the European Regional Development Fund under the INTERREG V-A Slovenia-Croatia 2014-2020 cooperation program.