Photo taken on Aug. 12, 2015 shows a 3D modular villa in Nantong, east China's Jiangsu Province. The 3D modular villa unveiled at Nantong Vocational University in recent days, which costs 300,000 yuan (47,000 USD) and covers an area of 110 square meters. Several sections of the villa which had been prefabricated in plant were moved to a building site and assembled into a villa in three hours. (Xinhua/Xu Congjun)
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