- historyhit.com locations/porta-nigra/Porta Nigra, translated as the “Black Gate” is a magnificently well-preserved second century Roman gate in Trier, Germany.
- lonelyplanet.com germany/rhineland-palatinate/…Adjoining the Porta Nigra, in the 11th-century priests' residence Simeon's College (retaining an original 1060-laid oak beam floor in the double-storey…
- reddit.com r/ancientrome/comments/ezit4e/porta_…The gates stood at the ends of the two main streets of the Roman Trier, one of which led north-south and the other east-west. Of these gates, only the Porta Nigra...
- trier-info.de en/places-of-interest/porta-nigraWhen the Romans laid the foundation stone for the Porta Nigra in AD 170, they would never have imagined how successful it would be.
- sidetracksgermany.wordpress.com 2015/09/27/porta-…1200px-Trier_Porta_Nigra_BW_4. ... One of the main sights will be the Porta Nigra, the black gate, guarding one entrance to the city.
- triphobo.com places/trier-germany/porta-nigraOne of the most visited historical monuments in Trier, Porta Nigra stands impressive with its massive structure.
- itinari.com location/porta-nigraDiscover the Magnificent Porta Nigra in Trier: A Roman Marvel. Trier, a charming city in Germany, is home to a remarkable historical treasure - the Porta Nigra.
- wwplus.eu en/projects/project-details/urbanism-…project “Trier | Surroundings Porta Nigra” restricted open space planning competition in accordance with VOF 2009 and RPW 2008 awarding authority Stadt Trier...
- tr2tr.wiki wiki/Porta_NigraPorta Nigra (siyah kapı için Latin ) büyük bir Roman şehir kapısı Trier , Almanya . Bugün Alpler'in kuzeyindeki en büyük Roma şehir kapısıdır.
- kitchen93.fr porta nigra trierPorta Nigra, an Ancient Roman Gate in Trier, Germany Stock Photo - Image of landmark, historic: 156595028 Porta nigra trier By Dreamstime.com.