Pictured here is the Golden Gate Bridge going over the entrance to San Francisco Bay. The line down the center of the channel and the bridge itself form skew lines. Skew lines are non-parallel lines that are not in the same plane. The bridge is above the water so that separates the planes and they are going in opposite directions so are clearly not parallel. The Golden Gate Bridge is arguably the most famous bridge in the world. The two mile bridge was built in 1937 and since then has become one of the most recognizable symbols of not only San Francisco but also the entire United States. The bridge is used by millions of people every year and is a sight to behold. Yet it's also very practical because before it was built, the fastest way to get across the bay was by ferry. The bridge has lots of both foot and car traffic and nearly every person in America has seen an image, usually from the same spot taken here, in their life.
I found this image online at this address: http://www.nevworldwonders.com/2013/09/preview-golden-gate-bridge.html
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