Aerial video shows thousands of birds flying in Hongze Lake wetland in Suqian City, Jiangsu Province, China on January 16.

Hongze Lake Wetland National Nature Reserve welcomes a large number of migratory birds in winter. Sihong Hongze Lake Wetland National Nature Reserve is the largest freshwater wetland in East China. From October to March every year, nearly one million migratory birds arrive at Hongze Lake Wetland for the winter.

This footage was filmed and produced 16 January 2023.

Aerial video shows thousands of birds flying in Hongze Lake wetland in Suqian City, Jiangsu Province, China, Jan. 16, 2023. Hongze Lake Wetland National Nature Reserve welcomes a large number of migratory birds in winter. Sihong Hongze Lake Wetland National Nature Reserve is the largest freshwater wetland in East China. From October to March every year, nearly one million migratory birds arrive at Hongze Lake Wetland for the winter.