- Small windows with limited view. Less of a problem for a shopping mall since most stores I know don't seem to have windows at all, but I'd expect it to be per

- Small windows with limited view. Less of a problem for a shopping mall since most stores I know don't seem to have windows at all, but I'd expect it to be perceived as unpleasant by western standards. - If it's an unusual design, using it means you're taking a big risk. If it works you save money, if it doesn't you have an uninhabitable building that may be hard or impossible to retrofit to a "normal" system. http://www.mickpearce.com/Eastgate.html http://www.mickpearce.com/Eastgate.html has some data, which looks remarkably good.