“抓把茶叶放进灌满凉水的军用壶,在沙漠上随便扒个坑儿,把壶放进去,几分钟后,喝口滚烫的开水泡茶不成问题。”苏丹,人称“世界火炉”,没有浪得虚名。苏丹是非洲面积最大的国家,全国气候差异大,虽然年平均气温21摄氏度,可热起来真要命。从地理位置上看,苏丹位于赤道和北回归线之间,全境受太阳直射,是世界上最炎热的国家之一;从天文学角度讲,一年中太阳两次经过苏丹上空:一次是太阳从北回归线到南回归线时要经过苏丹上空;另一次是太阳从南回归线返回北回归 “Grab the tea into a military pot filled with cold water and grill a pit in the desert and put it in. After a few minutes, boiling hot boiled tea is not a problem.” Sudan, known as the "World Stove, No wave of false name. Sudan is the largest country in Africa with a large national climate difference. Although the annual average temperature is 21 degrees Celsius, Sudan can be hot and deadly. Geographically speaking, the Sudan is located between the Equatorial and Tropic Cancer lines, with direct exposure to the sun all over the world. It is one of the hottest countries in the world. From an astronomical point of view, the sun passes over Sudan twice in a year: once from the sun The Tropic of Cancer passes over Sudan when it comes to the Tropic of Cancer; the other is the return of the Sun to Tropics from the Tropic of Cancer