Today is Memorial Day in the United States. My Korean student and her family are spending the long weekend in England and will return tomorrow. This reminds me of the many international trips she has taken over the past three years—to Spain, Mexico, Puerto Rico, the Bahamas, and various places within the U.S. She even told me once about visiting the Great Indian Desert and one experience in Paris. Her globe-travel reminds me of my young relatives in China. Like many others in China today, they take full advantage of any three- or four-day holiday by traveling out of town. It’s an increasingly common phenomenon in East Asia: maximizing leisure time in a way that once seemed like a luxury for few. When I was growing up, such getaways were out of the question. My parents had only Sundays off, and my mother used to say, "A day off from work meant a day of work at home," especially without modern conveniences like washing machines. Our rare travels were limited to visiting relativ...