严峻的空气危机逼停城市生活
In New Delhi (新德里), India, the air is polluted. It is so bad — many people do not go outside. Students do not go to school. Old people take walks inside the house. Ill people stay in rooms. Only young workers go to work.
In New Delhi (新德里), India, the air is polluted. It is so bad — many people do not go outside. Students do not go to school. Old people take walks inside the house. Ill people stay in rooms. Only young workers go to work.