The late gothic double spiral staircase inside the Burg of Graz, Austria, dates back to 1499. Locals call the two mirror-imaged winding staircases, that meet at each floor, the “stairs of reconciliation”: if you go separate ways, you will reunite.
Please see my full gallery with more photos from this beautiful city here.
Shot with Nikon D70 and Nikkor 18-70mm f/3.5-4.5 lens. Edited in Lightroom 5.7.