Berlin Wall in front of the German Technology Assessment Center (GTAC) in Yokohama Published 17. June 2015 at 533 × 800 in Berlin Wall in front of the German Technology Assessment Center (GTAC) in Yokohama ← Previous Next → Berlin Wall in front of the German Technology Assessment Center (GTAC) in Yokohama. © by TÜV Rheinland GTAC of TÜV Rheinland Group in Yokohama