Add Yahoo as a preferred source to see more of our stories on Google. Watch out where you're walking, because these hazards are found City crews are quick to clean up after a series of storms. But ...
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San Francisco's empty tree wells can be hazardous. Here's how supervisor is trying to fix it
Watch out where you're walking, because these hazards are found City crews are quick to clean up after a series of storms. But soon after, the spot where there once was a tree is too often left empty.
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