Clockwise from top: Inside of the Yanyi Enclosed House at Yangcun township in Longnan county, Jiangxi province. Residents are busy around a well in the Wushi Enclosed House in Longnan. The Guanxi New Enclosed House is a fine example of enclosed houses in Jiangxi province. Photos provided to China Daily

Enclosed houses, which are mini-fortresses built in southern Jiangxi province, are architectural treasures that are invaluable to historians studying the lives of the Hakka people. Zhang Zixuan reports.

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