The Siheyuan construction was built with regard to the principles which optimize the sun exposure, while offering a protection against the North winds, the former rules which match up to the location of the Chinese houses.On portions of the Loess Plateau in the province of Shaanxi and the South of Shanxi, the siheyuan could take the shape of a series of caves around a excavate courtyard or around troglodytic houses on the hillside.\cite{Sun_2013}
HUIZHOU DWELLING