Is it necessary to develop tourism?
　　Arguments
　　1. It is necessary to develop the tourist trade, for it contributes a lot to increasing understanding between nations.
　　2. As the saying goes, "Seeing is believing." Only a trip to an unfamiliar land can help us understand the people and culture there.
　　3. Since tourism helps increase understanding between people, it will finally wipe out prejudice against other nations, and make the world a more peaceful one.
　　4. Tourism contributes significantly to many countries' GNP(Gross National Product). The economy of some nations is based on the tourist industry.
　　5. Tourism helps develop a nation's commerce because tourists are most likely to buy souvenirs wherever they go.
　　6. Tourism provides jobs for many people and helps solve or ease the social problem of unemployment.
　　7. Tourism helps accelerate a city's construction and its embellishment.
　　8. Contact with tourists from 123r widens the horizon of the local people.
　　9. The tourist trade gives people a chance to enjoy the beautiful scenery of the word and the wonders of manki12
　　10. Tourism will help people learn about different cultures of the world.

　　Counter-arguments
　　1. Tourism cannot increase understanding between nations because tourists are often trapped in big hotels and only gaze at the natives from a distance.
　　2. Tourism does not wipe out prejudice, but leads to the persistence of national stereotypes because when travelling, you notice only characteristics which confirm your preconceptions.
　　3. It is true that foreign friends can make people understand stereotypes are absurd and harnffnl, but the tourist trade prevents people from making foreign friends.
　　4. Since tourists do not have time to mix with the local people, they cannot have a full view of the local culture.
　　5. Tourism makes some parts of the word too crowded a place to live in.
　　6. Tourism creates pollution and has destroyed many beautiful scenic spots.
　　7. Tourists cannot have a full enjoyment of the beautiful scenery because the places they visit are restricted by organizers.
　　8. As the saying goes, "Travel makes a wise man better, but a fool worse."
　　9. Contact with and assimilation~ of other cultures will reduce the uniqueness of one's own culture and make the world less colourful than before.