A swarm of seagulls hovers above the frozen sea in Dalian in northeastern China's Liaoning Province on Wednesday, January 16, 2008. Most of the sea area in the city iced up during the persistent low temperatures of recent days. [Photo: Xinhua]

Four visitors walk on the frozen sea in Dalian in northeastern China's Liaoning Province on Wednesday, January 16, 2008. [Photo: Xinhua]

This photo shows the frozen sea in Dalian in northeastern China's Liaoning Province on Wednesday, January 16, 2008. [Photo: Xinhua]

(CRI January 18, 2008)