house of the black mother of god, prague

abstract age architecture art artistic artwork beautiful black bozi building cerne circle circular construction convent cubism cubist curled curve czech dangerous descend design down elevate forms geometric guardrail helical helix house indoor infinite infinity inside interior landmark lighthouse lighting lines luxurious luxury matky mother narrow old patterns perspective prague praha radial rails render roll rotate round shape snail spin spiral stair staircase stairs stairway stairwell steep step steps structure swirl tight turn warm welcoming winding