This museum for contemporary art, situated in the centre of Denver, forms part of a street block with mixed uses. The building closes a gap in the urban fabric where industrial developments once stood. It thus marks an important step towards rehabilitating the area around Union Station, which is a listed structure. Concepts of sustainability played a major role both during the demolition phase and in the construction of the museum. Fifty per cent of the demolished structures found their way into the recycling chain, and 20 per cent of the new building consists of recycled materials. The museum was awarded the LEED Certificate in gold, a US seal of recognition for the highest standards of sustainable construction.