榆树泉据敦煌的老辈人讲,榆树泉原在汉玉门关之西,相传为东汉班超所掘,说起它还有一段有趣的故事呢。传说班超当年从长安经敦煌,出玉关赴西域都护任职。数年后,班超应诏回长安述职。那天中午,班超一行的车马途经玉门关之西四五十公里的一个地方。当时正值初夏,戈壁漠天暑气扑面,干渴难耐,随身带的水也不多了,班超万分焦急。到前面的玉门关还 Elm Springs According to the elders of Dunhuang, Elm Springs in the west of the Han Yu Gate, according to legend for the Eastern Han dynasty by digging, talking about it there is a funny story yet. Legend class that year from Chang’an by Dunhuang, Jade Guan go to the western region are nursing posts. A few years later, Chao Chao should Chao back to Chang’an. At noon that day, the supercar of the class passed a place about 40 kilometers to the west of Yumen Pass. At that time, early summer, Gobi desert day heat blowing, thirsty, carry with the water is not much, class extremely anxious. Yumen in front of the clearance