Thanks to its unique qualities, tourism is considered a dynamic industry that holds a bright future. There is an ever-increasing investment on tourism in every country that possesses tourist attractions and a severe competition between the organizations involved in this industry. This isn’t only because of the role this industry plays in national economic progress and the foreign ex - change revenue it offers, but also for its clean and pollution-free nature and the job creation opportunities that it offers.
Tourism industry is in fact an indirect investment and could have a positive effect on many of economic branches. Many industries are directly related to tourism, including the following:
The mere fact that all the developed and developing coun - tries, including European industrial countries and the USA, are utilizing their own resources and capabilities to attract more tourists is in itself sufficient proof of the important position this industry holds in the economics of a country
Tourism in countries like Iran that have many diverse tourist attractions can be turned into the most important source of for - eign money income. Professional tourism can bring about the gift of occupation, investment and value added