Lucknow: Water tankers used to settle the dust on trees

For the last few years, a heavy smog is holding crores of men, women, and children captive in Delhi-NCR, raising health concerns. Majorly constituted of dust and smoke from stubble burning this grey cover appears unlikely to retreat in the next few days. Doctors warned the people of Delhi against going outside without wearing anti-pollution masks and asked them to use air-purifiers even inside their houses to tackle the impact of pollution on human health.