PARK(ing) Day, an exercise in creativity centered around the repurposing and reimaging of public parking spaces, is back again this Friday, September 20th, for its annual event. Founded by the Rebar Group, a San Francisco based art and design studio, this event began in 2005 with a 2-hour “PARK” installation on a metered parking space in the city’s financial district. The event is focused on citizens independently turning metered parking spots into temporary public parks and other spaces that encourage …