甘守清贫无私奉献深圳经济特区南十余公里，通过全国最长的公路隧道——梧桐山隧道，便是驰名中外的沙头角镇。改革开放后，沙头角镇从记载着历史耻辱的只有250米长的中英街在中方一侧拓展为数平方公里的特区里的特区。广东省公安边防总队第六支队十三中队就驻守在这里，担负着 Gan Shou poor poor selfless dedication to more than ten kilometers south of Shenzhen Special Economic Zone, through the country’s longest road tunnel - Wutongshan tunnel, is famous Sha Tau Kok town. After the reform and opening up, the town of Sha Tau Kok expanded from a mere 250-meter Chung Ying Street recording historical humiliation to a special area in the SAR that runs for a few square kilometers on the Chinese side. The 13th Squadron of the Sixth Detachment of the Guangdong Provincial Public Security Frontier Corps was stationed here and shouldered