Weirdest construction of staircase you will come across
What you see is a staircase like no other. And if you think this is a Photo-shopped gimmick, then you are wrong. The photo is 100% real. The building you see is the Congress Hall in Biel, located in Switzerland. Apart from being several stories high and without anything to hold on, this unique design is the brain child of artists Sabina Lang and Daniel Baumann.
[source: darkroastedblend.com]
