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Philadelphia, Secretly Home To The World’s Largest Mobile
Art & Design

Philadelphia, Secretly Home To The World’s Largest Mobile

Sandy Calder, the youngest of three generations of Philadelphia artists bearing the name Alexander Calder, transformed modern sculpture with his mobiles. Believe it or not, his largest one—the largest interior mobile in the world, in fact—is here in Philadelphia. Brad Maule passed the security check at the Federal Reserve Bank of Philadelphia to profile White Cascade


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