穿层贴身保暖内衣，套上连体雪服，戴好手套、帽子，黄文勇走出山底烧着暖气的工作间，一头钻到零下20多摄氏度的室外。他骑上雪地摩托车，一路向上，直到海拔2500米的山顶。
阴崇智对隧道的“病害”种类一清二楚。“每次走到重点区域，师父都会示意我们仔细测量记录。”樊思航说。“咚咚咚！”阴崇智举起检查锤，敲击在隧道壁一处裂纹上，“边墙里如果有空响，一敲就是发闷的嗡嗡声，发现不及时，掉下来的碎石就会砸到火车上。”由于隧道里部分“病害”隐藏在衬砌内部，肉眼无法查看，只能通过“听诊”的方式进行检查。每次“问诊”需要历时2个多小时，敲击2万多次才能完成。
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Babies are beautiful. I always want to smile at them in the street, perhaps because they are a rarer and more precious sight in this ageing country or because they remind me of my grandchildren. There are about 3.5 million children aged four and under, while dogs on the streets are a more plentiful 13.5 million. Is the dog boom compensating for fewer children? As time goes by, there are going to be ever more grandparents and ever fewer children to beam at foolishly.
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