Combo photo taken on Dec. 16, 2018 in Zhuangjia village of Jishou city (up) and on Dec. 12, 2018 in Wulingyuan district of Zhangjiajie city (down), central China's Hunan Province, shows people gathering around a stove for heating. As the temperature drops, people in Hunan use various heating devices to fight against coldness. (Xinhua)