The architecture of a place, indeed, is widely determined by actions accumulated over decades, if not centuries, under the influence of natural conditions, culture and external circumstances (Rondanini 1981). Only in rare circumstances is a city or a community entirely re-built. This generally takes place only after a catastrope that destroyed the place, as for example in post-World War II Warsaw or Berlin. Much less usual, some quarters may be re built, but when they are, they will not be easily transformed again for decades. On the other hand, the character of a given population and the extent to which it is used to walk around in shopping centers and areas of theaters and cafes widely fluctuate according to the climate, life habits and culture. Hence, the only aspect of the urban landscape to be under the direct and instant influence of social actors is LL. In large urban areas, new LL items sprout incessantly with the inauguration of new institutions and shops, with the launching of new technological gadgets of changes in stores window displays. Old LL items disappear just as rapidly,with for example the bankruptcy of bussinesses, the closing of a