abstract
backdrop
background
built
cement
chip
clay
concrete
construction
crack
detail
deteriorate
dirt
drought
earth
environment
floor
gravel
grey
ground
grunge
material
mottled
mud
nobody
obsolete
old
outdoors
pale
pattern
paving
pebble
road
rustic
spotted
stained
stone
street
structure
surface
surrounding
terrain
texture
wall
wallpaper
weather
weathered