Delhi shuts all primary schools as hazardous smog worsens
Air pollution in the Indian capital is more than 50 times what is considered safe by the World Health Organization.
香港電台網站39m
India's toxic smog hides landmarks, delays flights
Toxic smog obscured India's famed monument to love, the Taj Mahal, as well as Sikhism's holiest shrine, the Golden Temple in ...