In this photo made with a fish-eye wide-angle lens, Bertha, the massive boring machine that is drilling a two-mile tunnel under Seattle, is shown in July before work began. The tunnel will replace a double deck highway along the downtown Seattle waterfront. Ted S. Warren/AP hide caption

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Voters in SeaTac, Wash., have narrowly approved a measure raising the minimum wage at its international airport, officials say. But the initiative faces several challenges, including a recount. Elaine Thompson/AP hide caption

toggle caption Elaine Thompson/AP

The line stretches down the block ahead of an event during the 2012 Seattle Science Festival. The 2013 festival runs from June 6 through June 16. Courtesy of Pacific Science Center hide caption

toggle caption Courtesy of Pacific Science Center

A young cannabis plant at grows at The Joint Cooperative in Seattle, Washington Jan. 27. Cliff DesPeaux/Reuters/Landov hide caption

toggle caption Cliff DesPeaux/Reuters/Landov

A abused-looking phone book in Seattle's Chinatown. Dryad & Sprite Photography/via Flickr hide caption

toggle caption Dryad & Sprite Photography/via Flickr

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