Understanding residents' attitude towards tourism, and engaging local communities, became central to the health of the tourist industry, according to research carried out by the United Nations World Tourism Organization (UNWTO) amongst the residents of eight European cities, that is, Amsterdam; Holland, Barcelona; Spain, Berlin; Germany, Copenhagen; Denmark, Lisbon; Portugal, Munich; Germany, Salzburg; Austria, and Tallinn; Estonia. Findings amongst those surveyed showed the belief of the majority was that, 'there should be no limitations to the growth of visitor numbers', and only a tiny percentage wanted the development and marketing of tourism preventable.