abandoned
closeup
concrete
corrosion
debris
decay
deterioration
diffuse light
discarded
environment
erosion
flaking
forgotten
greenery
ground level
hue
illinois
industrial
intimate
iron
manmade materials
metal
natural light
nature impact
neglect
outdoor
overcast
oxidation
oxidized metal
process
quiet
reddishbrown
roughness
rust
semiurban
shaded
st louis
steel
stillness
surface
texture
transformation
urban
urban decay
weathering