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BTSEphoto: Perot Museum of Natural and Science
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BTSEphoto: Lobby - ticket sales
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BTSEphoto: Plinth roof
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BTSEphoto: Downtown Dallas skyline
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BTSEphoto: 54' continuous-flow escalator
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BTSEphoto: Multi level ramps
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BTSEphoto: Single-span escalator
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BTSEphoto: Lobby - ticket & customer service
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BTSEphoto: Main Lobby
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BTSEphoto: Leap Frog Forest
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BTSEphoto: Perot Museum of Natural and Science
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BTSEphoto: Perot Museum of Natural and Science