Player Embed Code: <iframe width='500' height='300' scrolling='no' frameborder='0' style='border: none; overflow: hidden; width: 500px; height: 300px;' allowtransparency='true' src='https://www.dvidshub.net/video/embed/734653'></iframe> Download Embed Share Porta Nigra (Black Gate) Trier, Germany Travel Story - Social Media Regional Media Center AFN Europe Jan. 15, 2020 | 0:51 This one piece of architecture has truly stood the test of time. It has remained upright for centuries and is the main attraction to the city of Trier. If you fancy a quick, enjoyable history lesson – look no further.