1. SF is the 4th most populous city in California and the 12th most populous city in the USA.
2. SF is give and take 7miles x 7miles (49.6 square miles) to be exact.
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3. SF is known for its chilly summer fog, steep rolling hills, and eclectic mix of Victorian and modern architecture.
4. Some famous landmarks include: Golden Gate Bridge, Cable Cars, and Chinatown.