Nature and EnvironmentButterfly garden in DelhiTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and Environment11/05/2020November 5, 2020Butterflies are a sign of a healthy environment. But in a polluted city like Delhi these insects struggle to survive. A group of ecologists and citizen volunteers is helping them out by creating more than forty butterfly gardens across the city.https://p.dw.com/p/3kqUoAdvertisement