Pakistani farmers in the rural area of Lodhran, Punjab, share their views on the practice of burning crop residue, as the country battles record air pollution. Seasonal burn-off contributes to air pollution, but farmers say it's a long-held traditional that helps sow new crops. Authorities in Punjab have banned public access to parks, zoos, playgrounds, museums and recreational areas in main smog-hit cities like Lahore and Lodhran due to poor air quality. IMAGES AND SOUNDBITES