Turpan is also called Turpan depression, an important city on the ancient silk road, located in the east part of Xinjiang region. Around tenth century, the Buddhism flourished in Turpan by the strong support of Uighur Buddhist kingdom, which was ruling the vast areas including present Urumqi. Turpan is the most dry and hot area of china, the average rainfall in a year is only 16 millimeters, that means almost no snow or rain. In summer time, temperature easily goes up to 45 Celsius degree. There are about 80 days high temperature during the day in a year. From the 14th century, the people in Turpan area converted from Buddhism to Islam. The long history, unique geographic condition left us many historical, cultural and natural relics.