Into the fog of architecture

At the 2002 national Expo in Switzerland an extraordinary architectural structure rose from Lake Neuchatel at the site of Yverdon-les-Bains. The architects Elizabeth Diller and Ricardo Scofidio had developed Blur: a pavilion 100 metres wide, 60 metres deep and 20 metres high, with two long ramps leading up to a platform, where the visitor could walk around. The pavilion was, however, not a completely ordinary architectural building. There were no walls. Instead, a computer guided water pumping system sprayed tiny water particles into the air through nozzles in a steel scaffolding system, while taking the weather condition into account, thereby creating an artificial fog