​New Delhi's first-ever 'smog tower' uses 40 giant fans to pur | Tech Updates and News

​New Delhi's first-ever "smog tower" uses 40 giant fans to purify the air in a 0.4 square mile radius. Air quality is a major problem in New Delhi, and the city's Chief Minister Arvind Kejriwal called it a "gas chamber" in 2019 due to the overwhelming pollution there.

Critics say the government should focus on reducing emissions instead of building smog towers.