Dense Fog In Calcutta, India, During Winter Months Often Cause Traffic Delays

Residents run in the fog at Maidan ground, a large region of greenery in Calcutta, capital of eastern Indian state West Bengal, on Dec. 5, 2012. During the winter months the northern areas of India often experience dense fog, causing traffic delays and disrupting air.

Residents and a horse are seen in the fog at Maidan ground, a large region of greenery in Calcutta, capital of eastern Indian state West Bengal, on Dec. 5, 2012. <Xinhua/Tumpa Mondal>