a train carrying carts down a track through a city
what kind of carts on  the train
passenger carts
how many cars
i see 9 cars
is this a large city
maybe
is this some sort of commuter train
yes
are there windows in the train cars
yes
how many tracks are there
i see 4
are there city streets in the scene
yes
are there cars
yes
can you see tall buildings
yes
are there overhead signs
no