What is the central idea the writer calls "the tourist paradox"? — The traveller who loves a place can also, without meaning to, help to ruin it
According to the text, why is the economic case for tourism described as "a lifeline"? — Because whole communities depend on the tourist season to survive
What does the writer suggest by the example of "the same fridge magnets from Lisbon to Kyoto"? — That places far apart are coming to look identical for visitors