South San Francisco, CA September 19, 2018 Most of us have some significant memories on Sign Hill; hiking the trails, discovering butterflies, or sliding down the letters as a kid. South San Francisco local son, Gary Greenwald, aka Double…
South San Francisco, CA September 19, 2018 Most of us have some significant memories on Sign Hill; hiking the trails, discovering butterflies, or sliding down the letters as a kid. South San Francisco local son, Gary Greenwald, aka Double…