a) Sustainable tourism must optimize the use of environmental resources, focusing on the preservation of biodiversity, conservation of natural resources and adoption ecological processes. b) Sustainable tourism must respect social and cultural values ​​and protect the traditions and heritage of host regions, while preserving the authenticity of host communities. c) Sustainable tourism should promote economic growth and social well-being of host communities by improving employment, providing economic opportunities, in an equitable manner. distribute benefits to relevant stakeholders and contribute to poverty reduction (WTO).,