2010年9月27日早上，我在年轻的天津学子沈洁的陪同下重访未名湖，从我下榻的北京展览馆宾馆出发，步行几分钟后在西直门乘地铁来到了北大校园，听到未名湖畔的小石子的路上，散落了一地的笑声、读书声和歌声，有孩子的、大人的、还有老人的。
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