After visiting some of the watering holes on Westow hill in Crystal palace me and the lads ended up in the Dulwich wood house where we overheard a conversation regarding the old railway tunnel in Sydenham woods. Apparently it's used by roosting bats and was undergoing some works and the door had been left open. Being curious aswell as suitably refreshed we grabbed a couple of touches from the digs and headed out. Unsurprisingly the large iron gate was securely padlocked and bolted so no luck there so we decided to leave but seeing as it was about 1 a.m finding our way out was alot harder than finding our way in. I never would have guessed how many people doss in the woods if I hadn't seen it with my own eyes, well ears mainly I wouldn't have believed it myself. We found the still glowing embers of a large camp fire by this old ruin (god knows what it is/was), my mate Steve's got some photo's on his phone I'll try and upload and you could hear a guitar and singing in the distance and a few sleeping tramps aswell. We found our way out at about 4.30 a.m. Can anyone shed any light as to what the hell goes on up there at night?