On one side, it's surrounded by the sea, with beautiful scenery and a pleasant climate. Unfortunately, it's enclosed on three sides by mountains, a ring of nine mountain peaks that have made it a place of poverty and isolation.,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.。