VOV.VN - Temperatures in Sa Pa resort town in northern Lao Cai province plummeted to two degrees Celsius during the early hours of December 31, with weather conditions also bringing a combination of drizzle and frost.

VOV.VN - Mount Mau Son in Lang Son province has seen the temperature fall to 3.1 degrees Celsius after a strong cold wave swept through the northern region obn Dec. 14, according to the National Center for Meteorological and Hydrological Forecasting.