pavilion
air purifiers
architecture
art
artifact
autumn
autumnal
back garden
blue
blue sky
breathing
bright
china
chinese architecture
chinese style
city
da guan lou nan yuan
ecology
environmental conservation
forest
garden
good weather
greenery
lake
leisure
leisure places
low carbon
mirror
morning
natural
natural scenery
no one
outdoor
park
plants
pool
quiet
reflection
rest
scenery
sky
specular reflection
sunny
sunny day
symmetry
tree
water
water surface
yellow
yellow leaves
yu garden