And for another 2000 years Chinese dynasties built walls. In the end a whole network of walls spread across the northern tier of the country.
在此后的2000年里,中国各朝代继续修建城墙,最终形成了一条完整的城墙网络,横亘在中国北部。
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The designs are new, they say, and costs will fall as more are built; in Asia reactors built at the end of a batch have proved cheaper than earlier ones.
The centrepiece is a teocalli, a massive votive sculpture in the shape of a temple platform, builtin 1507 to mark the end of a 52-year cycle in the Mexica calendar.