aerial view of fujian tulou hakka roundhouse

aerial architecture asia asian attraction brick building china chinese circle circular communal defensible designed earth easily enclosed family famous fisheye fort fortified found fujian hakka hall heritage historic historical home house huanjilou landmark large living multifamily nanjing panorama panoramic people rammed roof room round roundhouse scenery sightseeing site southern structure style that this tour tourism tourist town traditional travel tulou unesco unique view village vintage walled world yongding