Group 3 - Early Medieval Gothic Architecture│ The church is grand and tall. There are several pointed arches which the middle one is the tallest. In the right corner of the picture, you can see the vaulted ceiling. Many ornate decorations are added.
From Wikiwand: St Gertrude, Nivelles, Belgium, (consecrated has a nave and aisles divided by piers supporting a clerestorey. The nave is divided by transverse arches. The interior would have been plastered and painted.