desert steppe and half desert steppe

semi-desert and desert grassland

arch rib and arch tile

beam-arch structure on arch

tied arch bridge with steel arch rib

afforest---mu of desert

al- kali gray desert soil

Alaer-Hetian desert highway

Alasan desert grassland

Alashan desert

Alashan desert grassland

along desert highway

alpine desert

alpine stony desert

ancient desert

annual desert halophyte

antarctic desert

Arabian desert

arboreous desert