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Trier
Rhineland-Palatinate, Germany
Travel tips for Trier (1)
Porta Nigra, Trier
The largest Roman city gate north of the Alps, built around 170 AD from huge sandstone blocks without mortar, and darkened over the centuri…
The largest Roman city gate north of the Alps, built around 170 AD from huge sandstone blocks without mortar, and darkened over the centuri…
