The Porta Nigra is a large black Roman city gate in Trier, Germany. It is designated as part of the Roman Monuments, Cathedral of St Peter and Church of Our Lady in Trier UNESCO World Heritage Site. Calendar #346731484
The Porta Nigra is a large black Roman city gate in Trier, Germany. It is designated as part of the Roman Monuments, Cathedral of St Peter and Church of Our Lady in Trier UNESCO World Heritage Site. Calendar #346731484