Large sheets of ice were seen drifting up the Yellow River in northwest China’s Ningxia Hui Autonomous Region on Saturday, making quite a spectacle after temperatures plunged in the region. /CFP Photo

Such ice is often formed in winter and the transition to spring. The ice can form into the shape of flowers in full bloom. /CFP Photo

Carried by winds and currents, the ice is floating to the north of the river. /CFP Photo

Carried by winds and currents, the ice is floating to the north of the river. /CFP Photo