China built a tower that acts like 'the world's biggest air purifier' - Bus

An experimental tower over 100 meters (328 feet) high in northern China — dubbed the world's biggest air purifier by its operators - has brought a noticeable improvement in air quality, according to the scientist leading the project, as authorities seek ways to tackle the nation's chronic smog pro

China built a tower that acts like 'the world's biggest air purifier' - Bus