【正文】
from the public。 For a long time, walls were one of the most natural things in the world to me。 My perceptions, however, changed after I made a hiking trip to the eastern suburbs of my city。 My classmates and I were walking with some foreign students。 As we walked out of the city, we found ourselves flanked by tall trees, which formed a wide canopy above our heads。 Suddenly one foreign student asked me, “Where is the entrance to the eastern suburbs?” “We’re already in the eastern suburbs,” I replied。 He seemed taken aback, “I thought you Chinese had walls for everything?!?His remark set off a heated debate。 At one point, he likened our walled cities to “jails”, while I insisted that the eastern suburbs were one of the many p