China successfully operated the chimney 'filter' air pollution
According to DTC, the giant chimney is also known as the air purification tower, the world's largest and oldest building, built in Xi'an City, Shaanxi Province.The project to build a 100-meter-high air filter chain in India
Znera Space, an architectural firm in Dubai, launched the Smog project to build a filter tower to address air pollution in New Delhi, India, Newsweek reported on September 19.