An aerial drone photo taken on Dec. 7, 2025 shows people tasting food at an ice collecting festival in Harbin, northeast China's Heilongjiang Province. Marking the beginning of Harbin's ice collecting season, the sixth ice collecting festival kicked off here by the Songhua River on Sunday, attracting lots of people with ice collecting ceremony and folk custom experience activities. (Xinhua/Zhang Tao)

Children perform during an ice collecting festival in Harbin, northeast China's Heilongjiang Province, Dec. 7, 2025. Marking the beginning of Harbin's ice collecting season, the sixth ice collecting festival kicked off here by the Songhua River on Sunday, attracting lots of people with ice collecting ceremony and folk custom experience activities. (Xinhua/Zhang Tao)

Tourists pose for photos during an ice collecting festival in Harbin, northeast China's Heilongjiang Province, Dec. 7, 2025. Marking the beginning of Harbin's ice collecting season, the sixth ice collecting festival kicked off here by the Songhua River on Sunday, attracting lots of people with ice collecting ceremony and folk custom experience activities. (Photo by Yuan Yong/Xinhua)

Artists stage a folk performance during an ice collecting festival in Harbin, northeast China's Heilongjiang Province, Dec. 7, 2025. Marking the beginning of Harbin's ice collecting season, the sixth ice collecting festival kicked off here by the Songhua River on Sunday, attracting lots of people with ice collecting ceremony and folk custom experience activities. (Xinhua/Wang Song)