A window with frost pattern is pictured in Heihe, northeast China's Heilongjiang Province, Jan. 31, 2024. (Xinhua/Xie Jianfei)
A window with frost pattern is pictured in Heihe, northeast China's Heilongjiang Province, Jan. 30, 2024. (Xinhua/Xie Jianfei)
A window with frost pattern is pictured in Heihe, northeast China's Heilongjiang Province, Jan. 30, 2024. (Xinhua/Xie Jianfei)
A window with frost pattern is pictured in Heihe, northeast China's Heilongjiang Province, Jan. 30, 2024. (Xinhua/Xie Jianfei)
A window with frost pattern is pictured in Heihe, northeast China's Heilongjiang Province, Jan. 30, 2024. (Xinhua/Xie Jianfei)
A window with frost pattern is pictured in Heihe, northeast China's Heilongjiang Province, Jan. 30, 2024. (Xinhua/Xie Jianfei)
A window with frost pattern is pictured in Heihe, northeast China's Heilongjiang Province, Jan. 30, 2024. (Xinhua/Xie Jianfei)