Entrance to a BART station
While San Francisco is a large open air urinal for many of its wild and wacky inhabitants, BART is a veritable bathroom in motion. The only reason it is not called BARF is because that would not encompass the entirety of the human deposits left behind on the train over the decades. Many of the train carriages on BART come with wall-to-wall carpeting. The aged fabric is splotched with the stains of time and puke. Sometimes the floor is sticky. Occasionally, the seats are as well. The fragrances on board are in sync with the stains on the floors.
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“A prison cell, in which one waits, hopes - and is completely dependent on the fact that the door of freedom has to be opened from the outside...” ― Dietrich Bonhoeffer