The United Arab Emirates (UAE) is located in the east of Arabian Peninsula, bordering the Persian Gulf in the north, Qatar in the northwest, Saudi Arabia in the west and south, Oman in the east and northeast, with a coastline of 734 kilometers and a total area of 83,600 square kilometers. The United Arab Emirates has a tropical desert climate, with hot and dry summer (May ~1October) and the temperature of 40.6 ~ 48.2℃. In winter (1 1 ~ April of the following year), the temperature is 8 ~ 20℃, with occasional sandstorms. The average precipitation is about 100 mm, most of which is concentrated between 1 and February.