asia

beautiful

binggou

blue

canyon

china

chinese

clouds

colorful

danxia

gansu

geological

geology

geopark

green

hill

horizon

landform

landscape

mountains

national

natural

nature

park

province

purple

red

road

rock

sand

sandstone

scenery

scenic

sculpture

shape

sharp

sky

stone

summer

sunlight

sunn

sunny

tourism

tourist

travel

vacation

valley

view

zhangye