Attractive shot of how nature's structures can influence architecture. Staircase Perspective photography black and white pictures photos stairs perspective staircase photography ideas photography pictures
The Vatican Museums ramped spiral staircase by Giuseppe Momo in The stairs are actually two separate helixes, one leading up and the other leading down, that twist together in a double helix formation.
One Way Colour Tunnel by Olafur Eliasson. This is a tunnel made up of light-shattering translucent and reflective triangular panels of coated acrylic, iresembling a walkway of stained glass. This is at the San Francisco Museum of Modern Art.