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Darryl Smith

WATCH: Urban Forest Erupts in San Francisco's Edgy Tenderloin

Kirsten Dirksen | Posted 12.31.2012 | Green
Kirsten Dirksen

The "Tenderloin National Forest" is likely one of the world's smallest "forests" -- it's just 23 feet wide by 136 feet deep -- but it is a refuge in one of the most densely-packed neighborhoods in the heart of San Francisco.