- buyukansiklopedi.com Porta_Nigra2024 hakkında güncel bilgilerle Porta Nigra hakkında bilmediğiniz her şey. Porta Nigra'nun tanımı ve terimi.
- 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.
- historyhit.com locations/porta-nigra/Porta Nigra, translated as the “Black Gate” is a magnificently well-preserved second century Roman gate in Trier, Germany.
- 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.
- http://sacred-destinations.com germany/trier-porta-nigraThe oldest defensive structure in Germany, the Porta Nigra was erected in about 180 AD when the Roman city was surrounded by walls.
- CD version (Digibook CD limited to 500 copies) available here : www.debemur-morti.com/en/porta-nigra/466-porta-nigra-kaiserschnitt-digibook-cd.html.
- agoda.com hotel-porta-nigra/hotel/trier-de.htmlPast families with young children that have stayed at this property have given Hotel Porta Nigra an average rating of 8.1.
- tr.wikiital.com wiki/Porta_NigraPorta Nigra, MS 180 ile 200 yılları arasında gri kumtaşından inşa edilmiştir.Orijinal kapı, dışta yarım daire oluşturan dört katlı iki kuleden oluşuyordu.
- structurae.net en/structures/porta-nigraPorta Nigra is a city gate that was completed in 180. The project is located in Trier, Rhineland-Palatinate, Rheinland-Pfalz, Germany