1. Qatar is the State of Qatar. Is an Arab country in southwest Asia, located on the qatar peninsula on the southwest coast of the Persian Gulf, bordering Saudi Arabia in the south. The coastline is 563 kilometers long. The oil and gas industry is the backbone of the card economy. In recent years, the government has invested heavily in the development of natural gas as the top priority of economic development. Qatar is the largest producer and exporter of liquefied natural gas in the world. Qatar is an absolute monarchy emirate, which has been led by "Al Thani family" since the middle of19th century. Later, under the protection of Britain, oil and natural gas were discovered, which replaced the original pearl mining industry and became the most important source of income for the country.

2. Topography: Qatar is flat, mostly covered with desert sand, and slightly higher near the west coast. There is a large area of exposed limestone from Zkrit to the south, and Qatar's onshore oil is mainly stored in this area.

3. Climate characteristics: Qatar has a tropical desert climate, which is hot and dry, and the coast is humid. Four seasons are not obvious. April-10 is summer and the longest season in a year. The highest temperature can reach 45℃ from July to September, and it is cool and dry in winter, with the lowest temperature of 7℃. The average annual precipitation is only 75.2 mm.