material

Kordel sandstone

Porta Nigra, city side (southwest elevation)
Porta Nigra, city side (southwest elevation) Trier, Rhineland-Palatinate, Germany
Porta Nigra, western passageway (north elevation)
Porta Nigra, western passageway (north elevation) Trier, Rhineland-Palatinate, Germany
Porta Nigra, field side (northeast elevation)
Porta Nigra, field side (northeast elevation) Trier, Rhineland-Palatinate, Germany
Porta Nigra, facade detail
Porta Nigra, facade detail Trier, Rhineland-Palatinate, Germany
Porta Nigra, facade detail of the fieldside
Porta Nigra, facade detail of the fieldside Trier, Rhineland-Palatinate, Germany
Porta Nigra, east elevation
Porta Nigra, east elevation Trier, Rhineland-Palatinate, Germany
Porta Nigra, Romanesque oriel
Porta Nigra, Romanesque oriel Trier, Rhineland-Palatinate, Germany
Porta Nigra, gallery on top of the apse
Porta Nigra, gallery on top of the apse Trier, Rhineland-Palatinate, Germany
Porta Nigra, interior
Porta Nigra, interior Trier, Rhineland-Palatinate, Germany
Porta Nigra, field side at sunrise
Porta Nigra, field side at sunrise Trier, Rhineland-Palatinate, Germany
Porta Nigra, detail of the northern facade
Porta Nigra, detail of the northern facade Trier, Rhineland-Palatinate, Germany
Porta Nigra, windows and half-columns of the fieldside facade
Porta Nigra, windows and half-columns of the fieldside facade Trier, Rhineland-Palatinate, Germany
Porta Nigra, southeast elevation
Porta Nigra, southeast elevation Trier, Rhineland-Palatinate, Germany
Porta Nigra, detail of the northern facade
Porta Nigra, detail of the northern facade Trier, Rhineland-Palatinate, Germany
Porta Nigra, detail of the northern facade
Porta Nigra, detail of the northern facade Trier, Rhineland-Palatinate, Germany
Porta Nigra, facade detail of the fieldside
Porta Nigra, facade detail of the fieldside Trier, Rhineland-Palatinate, Germany
Porta Nigra, east elevation
Porta Nigra, east elevation Trier, Rhineland-Palatinate, Germany