The cold wave, combined with strong winds, has brought a drop in temperature. This Friday marks the "winter solstice" in the 24 solar terms, with the lowest temperature expected to be -3℃ at Xujiahui station in the central city of Shanghai, and even lower in the suburbs. The daytime temperature will start to rise this Saturday, but it will remain below freezing in the morning and evening. The cold wave in Shanghai is following its usual pattern. (Photos: Chen Xia/GT)