Porta Nigra
Porta Nigra. Trier (Treveris), Germany. The oldest defensive structure in Germany. It was erected in 180 AC when the Roman city was surrounded by walls. Trier was a Roman colony from the 1st century AC.
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Photo credit: © PHAS / Alamy / Afripics
License: Licensed
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Keywords: 180, 1st, ac, baths, century, city, colony, defensive, erected, german, germany, imperial, kaiserthermen, nigra, oldest, porta, roman, structure, surrounded, treveris, trier, walls
