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s*ong: After the Ballgame
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s*ong: Gutter
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s*ong: Yellow All Over
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s*ong: Man Hive
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s*ong: Man Hive
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s*ong: Facade
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s*ong: Bridge
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s*ong: Old over New
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s*ong: PPG Place
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s*ong: Rounded Square Triangles
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s*ong: Mirror Mirror on the Wall
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s*ong: Fort Pitt Bridge
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s*ong: What the Heck is That?
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s*ong: Folding Space
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s*ong: Spartan Helmet
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s*ong: Cathedral of Learning
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s*ong: Tripod
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s*ong: World's Largest Tripod?
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s*ong: View from Madison Square Garden
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s*ong: Empire State Building
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s*ong: Medieval Pittsburgh?
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s*ong: A^2 + B^2 = C^2
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s*ong: Phipps Conservatory, Pittsburgh
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s*ong: X Mark the Spot
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s*ong: Old Frame on Pittsburgh
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s*ong: Steel Trap
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s*ong: Glass
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s*ong: Light Snowy Day
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s*ong: David Lawrence Convention Center
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s*ong: Dunquesne University