科学家将北纬２３度３０分的纬度线称为北回归线。拨动地球仪，地球上北回归线附近的陆地几乎都是沙漠或稀树草原，素有“回归沙漠带”之称。然而，在北纬２３度１０分，东经１１２度３４分的地方你会发现一片葱郁的绿洲，这就是被中外学者誉称为“北回归沙漠带上绿洲”的... Scientists call the latitude line at latitude 23 degrees and 30 degrees north of the Tropic of Cancer. Dial the globe, the earth near the Tropic of Cancer near the land are mostly desert or savanna, known as “return to the desert zone,” said. However, at 23 degrees 10 north latitude and 112 degrees east longitude 34 minutes you will find a lush oasis, which is praised by Chinese and foreign scholars as “the return of the desert to the oasis”.