英语听力：自然百科 世上最高的人

（单词翻译）

 A man from Turkey was officially crowned the world's tallest man on Thursday. Sultan Kosen measures 8-foot 1-inch and his status as the tallest man on the planet was verified by the Guinness Book of Records. The 27-year-old Kosen was given a tour of London's main sights on Wednesday, towering above other pedestrians¹ as he mingled² with crowds outside Big Ben. The part-time farmer from Mardin in southeastern Turkey uses crutches³ to get around, because his knee joints⁴ have been weakened by his height. Guinness officials claim that there are only ten reliable or confirmed cases in history of humans growing over 8 feet. Kosen's height is attributed to a tumor⁵ in his pituitary gland⁶, which caused the gland to over-produce growth hormones⁷, a condition known as pituitary gigantism. The tumor was removed last year, and it was only then that he stopped growing. The condition also explains the size of his feet, which measure 14.4 inches, and his hands, which measure 10.8 inches.