建国５０年来，北京的城市面貌发生了天翻地覆的变化。旧中国遗留下来的“街巷狭窄、道路残破、垃圾成堆、粪便溢流”和“无风遍地土、下雨满街泥”的旧北京已经一去不复返了。一个清洁、整齐、美观的市容卫生面貌正展现在世人面前。革粪桶的命清洁工人身背着粪桶，挨门挨户地 In the 50 years since the founding of New China, the urban landscape of Beijing has undergone tremendous changes. The old streets of old China with “narrow streets, broken roads, piles of rubbish, overflow of manure” and “mudslide without soil all over the place are all gone.” A clean, tidy, beautiful appearance of the health outlook is now displayed in the world. Leather manure bucket cleaner life behind the manure bucket, door to door