For half a century after it closed down, the old Berlin Tempelhof railyard was completely sealed off from humans. During that time it became a haven for wildlife, and a tiny lost world on the edge of the city. But in 2000, it reopened - this time, as a protected nature reserve. I went to the German capital to explore it for myself... INSTA - https://www.instagram.com/the.tim.traveller TWIT - https://twitter.com/TheTimTraveller FACE - https://www.facebook.com/TheTimTraveller/