求翻译：你爷爷来到北京，你可以带他去看看北京著名的万里长城，长城是中国也是世界上修筑时间最长，工程量最大的一项古代防御工程，延续不断修筑了不2000多年，分布于中国北部和中部的广大土地上，长度达到目的50000多千米，为中国古代世界七大奇迹之一。是什么意思？

Your grandfather came to Beijing, you can take him to Beijing to see the famous Great Wall, Great Wall of China is the world's longest construction, a project of the largest ancient defense works, continuity does not build a 2,000 years, distributed in The majority of northern and central China on t

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Your grandfather comes to Beijing, you may lead him to have a look the Beijing famous Great Wall, the Great Wall are China also are in the world construct the time to be longest, a resilience biggest item of ancient times defended the project, the extension has constructed unceasingly not for more t

Your Grandpa was in Beijing and you can take him to look at Beijing's great wall, the great wall is China is the world's longest-standing building, of quantities in one of the biggest ancient defense works, continuity built no more than 2000 years, distributed in Northern and central China's vast la

Your Grandpa was in Beijing and you can take him to look at Beijing's great wall, the great wall is China is the world's longest-standing building, of quantities in one of the biggest ancient defense works, continuity built no more than 2000 years, distributed in Northern and central China's vast la