Roel is standing in an old NSA Spy Station at Teufelsberg You can still hear the echoes! Noortje and I did some urban exploring and found ourselves on the Teufelsberg mountain to inspect the abandoned NSA spy station from the Cold War. Source: https://www.instagram.com/p/mtHF_NkoCI/ By Roel Roel is a senior product manager at Spotify. He loves internet quirks, baking, running and tech. View all of Roel's posts.