A fisherman casts his net in the waters of river Yamuna laden with polluted foam, on a smoggy morning in New Delhi November 20, 2025. New Delhi with its sprawling metropolitan region of 30 million residents is regularly ranked among the world's most polluted capitals. Acrid smog blankets the skyline each winter, when cooler air traps pollutants close to the ground, creating a deadly mix of emissions from crop burning, factories and heavy traffic. (Photo by Arun Sankar/AFP Photo)
