old marbled window pane artwork

abstract ancient antique arched architectural architecture art artifact artwork background backlit bright cathedral church colored coloured contrejour craftsmanship crypt detail frontlighting german germany glass glazing glimmer glisten gypsum historical history indoor inside krypta mamorate marbled marbleized mottled mottles pane pattern reflecting reflection relic shine stained structure structured structures sunlight texture textured textures through undercroft unique veined veins window wallpaper backlighting back lighting geometric shape glazed material against-the-light