2. The bridge Oakland Bay The San Francisco – Oakland Bay Bridge (known locally as the Bay Bridge) is a pair of bridges spanning San Francisco Bay of California, in the United States. Forming part of Interstate 80 and of the direct road route between San Francisco and Oakland, it carries approximately 270,000 vehicles per day on its two decks. It has one of the longest spans in the world.
3. POPULATION San Francisco, officially the City and County of San Francisco, is the fourth most populous in California and the 13th most populous city in the United States, with a 2010 estimated population of 805,235.
4. Climate San Francisco's climate is characteristic of the cool-summer Mediterranean Climate of California’s coast, "generally characterized by moist mild winters and dry summers.
5. Entertainment and performingarts San Francisco's War Memorial an Performing Arts Center hosts some of the most enduring performing-arts companies in the U.S. The War Memorial Opera House houses the San Francisco Opera, the second-largest opera company in North America.
6. Museums The Museum of Modern Art (SFMOMA) houses 20th century and contemporary works of art. It moved to its current building in the South of Market neighborhood in 1995 and now attracts more than 600,000 visitors annually.
7. Sports TheSan Francisco 49ers of the National Footbal League (NFL) are the longest-tenured major professional sports franchise in the city.
8. Transportation A third of commuters in San Francisco use public transportation in 2005. Public transit solely within the city of San Francisco is provided predominantly by the San Francisco Municipal Railway(Muni).
9. Beaches And Parks Several of San Francisco's parks and nearly all of its beaches form part of the regional Golden Gate National Recreation Area, one of the most visited units of the National Park system in the United States with over 13 million visitors a year.
