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Which sports franchises get the biggest bang for their bucks (you lose, Cubs)
April 24 (Bloomberg) –- Millions of people from all over the world visit the Empire State Building each year. It's been a NYC staple since 1931 and in 2010 started undergoing a half a billion dollar makeover. Bloomberg gets a tour you can't buy tickets for, from the wind tunnel in the ancient bedrock of New York City to the exclusive 103rd floor bird's nest. (Source: Bloomberg)