This document discusses tourism in several countries and its pros and cons as an economic activity. It outlines how tourism has become an important source of income for countries like Thailand, Costa Rica, and Italy. Specific tourist destinations are mentioned for each country, including Koh Tao Island, Sukhothai Historic Town, Coco Island, and Arenal Volcano National Park. The pros of tourism are listed as job creation, foreign exchange, and conservation of historic sites, while the cons include environmental damage, crime, and loss of local culture. In conclusion, the document states that tourism can be an excellent economic activity if countries properly develop and exploit natural resources.