People collect ice from Songhua River in Harbin, NE China

12月7日，工作人員在第四屆哈爾濱采冰節活動現場采冰。當日是大雪節氣，第四屆哈爾濱采冰節在松花江畔開幕，這也標志著冰城哈爾濱進入了采冰季。精彩的采冰儀式和表演吸引了眾多市民和游客參與。[新華社記者 張濤 攝]

Workers collect ice from the Songhua River in Harbin, capital of northeast China's Heilongjiang Province, Dec. 7, 2023. Ice cubes collected from the frozen Songhua River will be used in decoration of the city. (Xinhua/Zhang Tao)