Once an area is developed, it is next to impossible to change the type of visitor back to a type who came earlier in search of "real tourism" (Christaller, 1963: cited in Butler, 1990, p.44). Secondly, if a destination aims itself at a specific (and hence limited) market (e.g. ornithologists, photographers, amateur archaeologists, culture-lovers, etc.), it faces the real risk that not only may there not be a large enough market,