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园林是一种空间艺术,空间对于人类的生活极为重要。自古以来,无数次流血战争都是为了夺取空间。世界上是不是缺少空间?地球总面积去掉70％的海面,还有30％为陆地,去掉寒冷、沙漠、高山不能住人之外,还有47000000平方英里(每平方英里=2.59平方公里)可以供世界人口居住,估计到2000年每平方英里最多也不过150人,看起来空间是足足够用了。其实不然,近来大城市的出现,如伦敦、纽约、东京、上海、布宜诺斯艾丽斯等城市,人口的
Garden is a kind of space art. Space is extremely important for human life. Since ancient times, numerous bloody wars have been used to seize space. Is there a lack of space in the world? The total area of the Earth removes 70% of the sea surface, and 30% of it is on land. In addition to removing cold, deserts, and mountains that cannot live, there are 47,000,000 square miles (= 2.59 square kilometers). The population of the world lives in. It is estimated that by 2000 there will be only 150 people per square mile. It seems that the space is sufficient. In actual fact, the recent appearance of big cities, such as London, New York, Tokyo, Shanghai, Buenos Aires, and other cities, population