A traveller roaming amongst the islands of Japan is usually seeking the exotic,or the wondrous,or the unconventional.And indeed,Japan is often so, in both the cities and along the back roads,Sometimes what's encountered seems illogical or of dubious purpose,but that is a bias of culture and outlook.The traveller will inevitably compare Japan with the West when confronted with the obvious examples of suits and ties on Japan's sarariman- the " salary man