Tourism was not always as important as it is today．In the past only 1 people could travel on vacations to other countries．But in 1976 one person 2 twenty visited a country away from home．
More people travel today than in the past because there is a growing middle class in many parts of the world．People now have more money for travel．Special airplane fares for tourists make travel 3 expensive and thus more attractive(有吸引力的)than ever before．
One person does not travel for the 4 reason as 5 ．But most people enjoy seeing countries that are different 6 their own．They also like to meet new 7 ,try the new food and experience life in other parts of the world．
Tourism cause many changes in a country and in people's lives．People build new hotels and restaurants and train native men and women 8 tour guides to show tourists interesting places．