Ecotourism is not only ‘greener’ but also less culturally intrusive and exploitative than conventional tourism. Whereas prostitution, black markets and drugs often are by-products of mass tourism, ecotourism strives to be culturally respectful and have a minimal affect on both the natural environment and the human population of a host country. This is not easy, especially since ecotourism often involves travel to remote areas where small and isolated communities have had little experience interacting with foreigners. And like conventional tourism, ecotourism involves an unequal relationship of power between the visitor and the host and a modification of the relationship through exchange of money. Part of being a responsible eco-tourist is learning beforehand about the local customs, respecting dress codes and other social norms and not intruding on the community unless either invited or as part of a well organized tour