![](https://static.dezeen.com/uploads/2012/10/dezeen_20th-STREET-by-SFOSL_sq_1.jpg)
20th Street Residence by SFOSL
This rooftop house extension by Californian architects SFOSL has a metal bridge at its entrance and a facade that folds open. More
This rooftop house extension by Californian architects SFOSL has a metal bridge at its entrance and a facade that folds open. More