Sea ice has covered half of the area of northeast China’s Liaodong Bay as the region suffers lasting low temperatures. /Xinhua Photo

According to the North China Sea Marine Forecasting Center of the State Oceanic Administration, the area of sea ice has reached over 15,000 square kilometers, accounting for 49 percent of the bay’s total surface area. /Xinhua Photo

Rows of anchored fishing boats were stuck as water around them froze. /Xinhua Photo

The North China Sea Marine Forecasting Center issued last Friday a blue alert for sea ice, the lowest on a four-tiered color-coded alert system for severe weather. /Xinhua Photo

Investigative teams have been sent to regional port cities to assess any possible damage to their infrastructure. /Xinhua Photo