as the major influx of foreign visitors to the olympic games in beijing approaches, those in charge want to make sure that the signage is comprehensible and appropriate. this is a sign that at first i thought was one of the facebook photos in the album 'remembrance of things ravaj'. the one below, however, seems quite philosophical to me. what is the nature of suddenness? why do they wish to keep us away from it? etc.
more signs here.