A sacrifice ceremony is held before a winter fishing event on the Chagan Lake in Songyuan City, northeast China's Jilin Province, Dec. 28, 2018. Winter fishing on ice-covered Chagan Lake dates back to the Liao and Jin dynasties from 10th century to the 13th century. (Xinhua/Zhang Nan)

A sacrifice ceremony is held before a winter fishing event on the Chagan Lake in Songyuan City, northeast China's Jilin Province, Dec. 28, 2018. Winter fishing on ice-covered Chagan Lake dates back to the Liao and Jin dynasties from 10th century to the 13th century. (Xinhua/Zhang Nan)