London

London 　
　　London　has a population of over Seventy million. From about the year One thousand eight hundred until World War Two, London was the biggest city in the world.But now there are many cities which are much bigger than it . 　
　
　　London is famous for many things. Tourists from all over the world come to visit its famous buildings and hear the famous clock,Big Ben 　
　
　　Like many big cities,London has problems with traffic and pollution which stop the city from developing. Over one million people a day use the London underground ,but there are still too many cars on the streets.The air isnt"t clear ,but it is anyhow cleaner than it was 100 years ago 　
　
　
　
伦敦的人口已超过七千万。一千八百年左右直到二战中，伦敦是世界上最大的城市。但现在有很多城市都比他更大。 　
　
伦敦有很多有名的事物。来自世界各地的游客前来参观著名的建筑和著名的时钟，大本钟。 　
　
很多大城市一样，伦敦的交通和污染问题而停止的城市发展。超过一百万的人每天使用伦敦地铁，但仍有太多的汽车在街道上。空气是不清楚，但这是无论如何也比它100年前干净。