abandoned
atmosphere
beam
bygone era
column
composition
control
corroded
decay
derelict
desolate
dim
disuse
eerie
equipment
exploration
eyelevel
facility
factory
handwheel
historical
illinois
indoor
industrial
infrastructure
machinery
manual
manufacturing
metal
muted tones
mysterious
neglect
paint
passage of time
power plant
relic
robust
rust
shadows
st louis
structure
symmetrical
technology
texture
urban decay
urban exploration
vintage
weathered