nantes cathedral saint-pierre and saint-paul high ceiling, columns and stained-glass windows

aisle arches architecture belief bretagne brittany building cathedral cathedrale catholic ceiling ceremony church columns cross day daylight decorations france god gothic height high historic holy immense imposing interior light loire loireatlantique marble medieval monument nantes natural nave ornate prayer praying public religion religious roman saintedglass saintpaul saintpeter saintpierre shape spacious spiritual spirituality stainedglass symmetrical symmetry tall volume walls windows