Wednesday, December 16, 2020, 12:48 GMT+7 A street vendor adds wood to a fire on the sidewalk of Vo Chi Cong Street in Tay Ho District, Hanoi, December 15, 2020. Photo: Mai Thuong / Tuoi Tre As a strong cold front caused the temperature in Hanoi to drop to 12 degrees Celsius on Tuesday, local residents have had a hard time keeping themselves warm. Temperatures in the capital started to dip in the early morning, and the cold was exacerbated by a light shower. The weather was especially challenging for children, the elderly, and those who had to leave home early in the morning for work. Residents wear warm clothes as the temperature drops in Hanoi, December 15, 2020. Photo: Mai Thuong / Tuoi Tre