a subway train riding on rails with city in background
are there any people
not visible
can you see the driver
no
how long is the train
6 cars
is the sun shining
yes
are there any clouds
yes partly cloudy
can you see any birds
no
can you see any grass
there is some grass underneath the rails
can you see the tracks
yes
can you see any rocks
the tracks are laid on rocks
are there a lot of buildings
yes