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The Mitsubishi Ichigokan Museum, Tokyo (三菱一号館美術館, Mitsubishi Ichigōkan Bijutsukan) is a new art museum in Tokyo's Marunouchi district. Construction is expected to be completed during 2009, and the museum is scheduled to open April, 2010.[1]. The museum will include approximately 800 square metres (8,600 sq ft) of exhibition space, spread over 20 rooms, througout the building's 6,000 square metres (65,000 sq ft) floorplan.　See: http://en.wikipedia.org/wiki/Mitsubishi_Ichigokan_Museum,_Tokyo