semi-desert and desert grassland
altiplano’s and extremely frigid border
Gently inclined and extremely thin iron mine
high speed and extremely heavy load
low permeability and extremely low permeability oilfield
artifical vegetation in desert region
Desert and Oasis Meteorology
desert region expressway
desert region in Ningxia
desert region in northern China
desert region in Xinjiang
desert region of irrigating using Yellow River
desert region of northern Shaanxi