Daan Roosegaarde’s Smog Free Tower opens in Rotterdam

Designer Daan Roosegaarde has installed the “largest smog vacuum cleaner in the world” in Rotterdam to help improve the city’s air quality. Roosegaarde’s Smog Free Tower was unveiled on 4 September 2015 at Vierhavensstraat 52, following a successful Kickstarter campaign to help fund the project. The seven-metre-tall structure is designed to create a pocket of clean air in its vicinity, offering a respite from hazardous levels of pollution. According to the designer, it processes 30,000 cubic metres of ai