Iced-in boats at rest along the Harbin section of the Songhua River on March 31. As the weather continues to warm up in early Spring, the river’s vast surface of ice starts melting and breaking up into huge chunks, as giant sheets of ice flow downstream. Local media reported on April 2 said the river had fully melted. [Photo/people.cn]

A hovercraft boat sits on the frozen ice in Harbin section of Songhua River, on March 31. [Photo/people.cn]

Ice is still prevalent at Hagonghui Port, along the south bank of Songhua River, on March 31. [Photo/people.cn]

A tower stands watch over the thawing Songhua River [Photo/people.cn]