One of the many things nobody ever tells you about middle age is that it's such a nice change from being young.
You know the passage where Scarlett voices her happiness that her mother is dead, so that she can't see what a bad girl Scarlett has become? Well, that's me.
In the East there is a gap between the top of a wall and underside of a roof; it acts as a screen, and the Chinese were able to use it as they wished.