Born to Run

Born to Run
author: Bruce Springsteen
name: Aaron
average rating: 4.10
book published: 2016
rating: 0
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date added: 2017/02/05
shelves: currently-reading
review:

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Decoding Rings: Beneath the Mysterious Brick Circles on San Francisco Streets – 99% Invisible

Standing out against the linear grid of city streets and pedestrian crossing stripes, over 170 strange brick circles can be found embedded in the pavement throughout San Francisco. At their center: a metal circle that looks a lot like a manhole cover for sewer access. In fact, these brick outlines are a surface expression of something

Source: Decoding Rings: Beneath the Mysterious Brick Circles on San Francisco Streets – 99% Invisible