28-year-old Zheng Xiulan was lying in bed, but she couldn't sleep at all.,The three hottest days of the year are right now. It's stifling without a working fan, and Zheng Xiulan, wearing a sleeveless top, is sweating profusely. Her clothes are already soaked through with perspiration.,It's still the same answer, and for a moment both of them were somewhat stunned.。