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Architecture firms Rietveld Landscape and Studio Frank Havermans have unveiled a flightless craft for researchers at a former Cold War airbase near Utrecht.

Secret Operation 610 is an art installation comprising a 4.5 metre-tall black vehicle designed to be used as a mobile workspace for researchers. It has two large wing-shaped legs that exit a diamond-shaped cockpit and have caterpillar tracks on the feet to move around.

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