Sneaking into abandoned military bases is a scary experience to start with! Then add in the risk of active landmines, crumbling tunnels and security with guns and you will start to see how dangerous this explore could’ve been! Not only is this the world’s largest underground military base It is also on the border of Bosnia and Croatia in former Yugoslavia!
Come with Matt as he creeps round in the dark on his own in a foreign country in a Soviet military base !
