Finally fixed lighting on corrugated metal
Fixed train sounds only playing after 10 seconds
Added trigger_push underneath train to push away any debris or gold bars that get trapped underneath them
Placed trigger_hurts in the train tunnel walls in case the train pushes you into them
Removed trigger_hurts from the train, so now it just pushes you
Changed skybox, environment lighting, and fog to better suit the theme
Placed func_nobuild around trees
Scaled mid down by 128...