a train stopped at a platform with its doors open
what color is the train
silver
can you see any people
no
is this outside
no
what else do you see in the scene
platform
what color is the platform
grey and blue
what shade of blue it 
a bit darker than a sky blue
how many doors are open
i can see 3
are there any windows
yes
can you see through them
only 1
what's in there
seats and poles