Arrive from pupil old grandma, may be it embrace wholesale, infatuate reader interest discusses abundantly, the grave form of Ming Dynasty is made how, how is northeast fastness built.

• 从小学生到老奶奶，都可能是它的拥趸，着迷的读者兴味盎然地讨论，明朝的墓葬形制如何，东北的要塞怎样构筑。