Subways are cultural melting pots where people's differences collide and coalesce.
The subway is a type of vein; it makes the city alive.
The subway train is as noisy and full of rumble as your soul when it's empty.
There's no better place to daydream than on the subway.
The subway is where the city's heartbeat can be felt most strongly.
The subway is the heart of the city, pumping people through its veins.
In the subway, you're surrounded by strangers yet connected by a common journey.
The subway is a symbol of urban efficiency and chaos at the same time.
Riding the subway is like riding a roller coaster without the fun.
The subway is a stage where every passenger is an actor.