(01 of10)
Open Image ModalIndian students travel on a horse cart surrounded by fog in Jammu, India, Thursday, Dec.18, 2014. As winter sets in, thick fog engulfs most of north India early mornings. (credit:AP Photo/Channi Anand)
(02 of10)
Open Image ModalAn Indian man rides a bicycle through fog in Jammu, India, Thursday, Dec. 18, 2014. As winter sets in, thick fog engulfs most of north India disrupting normal life. (credit:AP Photo/Channi Anand)
(03 of10)
Open Image ModalIndians, wrapped in warm clothes, walk through a fog covered road in Jammu, India, Thursday, Dec.18, 2014. As winter sets in, thick fog engulfs most of north India disrupting normal life. (credit:AP Photo/Channi Anand)
(04 of10)
Open Image ModalA man rows his boat on the River Ganges in the early morning fog on the outskirts of Allahabad, India, Wednesday, Dec. 3, 2014. Several parts of north India continue to experience cold weather conditions, according to local news reports. (credit:AP Photo/Rajesh Kumar Singh)
(05 of10)
Open Image ModalIndian street vendors keep warm around a bonfire on a cold evening on the banks of the River Ganges in Allahabad, India, Saturday, Dec. 20, 2014. Temperatures dipped in north India and several mountain areas have received snowfall, according to news reports. (credit:AP Photo/Rajesh Kumar Singh)
(06 of10)
Open Image ModalA Sadhu, or Hindu holy man, smokes marijuana to stay warm at Sangam, the confluence of rivers Ganges, Yamuna and mythical Saraswati in Allahabad, India, Sunday, Dec. 21, 2014. Intense cold wave continues unabated in north India with fog disrupting traffic movements at several places. (credit:AP Photo/Rajesh Kumar Singh)
(07 of10)
Open Image ModalSadhus, or Hindu holy men, sit around a bonfire to keep themselves warm at "Sangam", the confluence of the Ganges, Yamuna and mythical Saraswati river in Allahabad, India, Sunday, Dec. 21, 2014. Intense cold wave continues unabated in north India with fog disrupting traffic movements at several places. (credit:AP Photo/Rajesh Kumar Singh)
(08 of10)
Open Image ModalIndian villagers cycle amidst fog early morning in Allahabad, India, Friday, Dec. 5, 2014. Several parts of north India are experiencing cold weather conditions. (credit:AP Photo/Rajesh Kumar Singh)
(09 of10)
Open Image ModalIndians, wrapped in warm clothes, travel on a fog covered road in Jammu, India, Thursday, Dec.18, 2014. As winter sets in, thick fog engulfs most of north India disrupting normal life. (credit:AP Photo/Channi Anand)
(10 of10)
Open Image ModalIndian men warm their hands near a bonfire on a cold and foggy morning in Allahabad, India, Sunday, Dec. 21, 2014. Intense cold wave continues unabated in north India with fog disrupting traffic movements at several places. (credit:AP Photo/Rajesh Kumar Singh)