designed by cai yongjie, the ‘wenchuan earthquake memorial museum’ takes the form of a ruptured landscape. large subterranean buildings are topped with green roofs, ensuring that the complex adopts an unobtrusive presence.
Miralles Lines, Curvature Analysis through Graphic Differential Geometry Tangent & Normal Notation. In order to find a common notation that can describe all three curves, a notation of lines tangent and normal to the curves is introduced. Each tangent