The authorities in the Indian capital New Delhi are using so-called anti-smog cannons to combat air pollution.
The authorities in the Indian capital New Delhi are using so-called anti-smog cannons to combat air pollution.
The authorities in the Indian capital New Delhi are using so-called anti-smog cannons to combat air pollution.
The authorities in the Indian capital New Delhi are using so-called anti-smog cannons to combat air pollution.