The Ruins of this Ancient Roman Library The library was completed in 135 AD and was built to house scrolls and to honor the Roman Senator Tiberius Julius Celsus Polemaeanus, whose tomb is below the entrance. Photos found via Travel Junkies
KAIROS / João Quintela + Tim Simon Attention to detail I guess the idea was that the stair can be a part of building skin. For that, the architect made new type of stair. Actually the stair does not exist itself.