Cisterns of San Francisco
The devastating San Francisco earthquake of 1906 led to the creation of an extensive auxiliary water supply system, including earthquake-proof cisterns. These hidden reservoirs, marked by large brick circles on city streets, can hold around 10 million gallons of water and are crucial for emergencies. Discovering their locations adds an intriguing layer to exploring the city, as they serve as a vital resource during crises.In this clip
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