Hawking has visited the u . s . 30 times , made seven trips to moscow , taken a round - the - world journey , and piloted his wheelchair on the great wall of china 哈肯已经去过美国30次，到了莫斯科7次，做了一次环球旅行，并且驾驶着他的轮椅上了中国的长城。
There was a teacher that asked the students to list what they considered the most beautiful seven wonders of the world . many of the students turned in their lists and included the parthenon , the taj mahal , the great pyramids of egypt , the great wall of china , and the acropolis in athens 一位老师叫他的学生列出世界七大奇迹，学生们便想到巴特农神殿布达拉宫金字塔中国的长城，还有雅典的阿克波里斯等等。
