![](https://static.dezeen.com/uploads/2013/05/dezeen_Rio-de-Moinhos-Open-Air-Theatre-by-Ateliermob_1sq.jpg)
Rio de Moinhos Open-Air Theatre by Ateliermob
This concrete staircase into the air by Lisbon architecture studio Ateliermob functions as a riverside amphitheatre on the banks of the Tagus in central Portugal (+ slideshow). More
This concrete staircase into the air by Lisbon architecture studio Ateliermob functions as a riverside amphitheatre on the banks of the Tagus in central Portugal (+ slideshow). More
Portuguese architects Ateliermob have completed a cafeteria and shelter with circular holes cut into the roof at Sacavem, near Lisbon in Portugal. More