Which German City, close to the border with Luxembourg was the birthplace of Karl Marx, and contains the Porta Nigra, a well-preserved Roman city gate?
Trier-Ruwer Tryer Trier-Zewen Trier TRIER Treves Tréier Trier-Euren Treverensis UN/LOCODE:DETRI Trier valley Ruwer (suburb) Ruwer (Trier) Trier Valley Trier-Ehrang/Quint Trier-Ehrang Trier, Germany Trier-Biewer Trier-West/Pallien
tryer treves ruwer trier trier germany ruwer suburb treverensis trier euren trier west pallien trier un locode detri trier ruwer trier zewen trier ehrang quint trier ehrang trier valley trier biewer tréier
trier
WikipediaEntity
TRIER