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8 Famous Landmarks Built With Cards
From the Empire State Building to Cinderella's Castle, professional "cardstacker" Bryan Berg is famous for building well-known buildings out of thousands and thousands of playing cards.
The Hagia Sophia is the centerpiece of this ode to Istanbul tourist hot spots, which also includes the Galata Tower and Maiden Tower. Bryan Berg uses a "grid" technique for his structures, in which four-walled cells come together to form a "waffle" or "honeycomb" pattern. He invented this technique by studying images in nature as well as microscopic plant cell patterns.