燕疆不过古北阙,连山渐少多平田。奚人自作草屋住,契丹骈车依水泉。橐驼羊马散山谷,草枯水尽一时迁。……这是北宋苏辙出使辽国时所作的《出山》诗,映入这位诗人眼帘的是一幅多么偏僻而又荒凉的景象!的确,极目辽代疆域,“地多 Yanjiang However, the ancient North Que, Hill even less Hirata. Xi people living in the cottage, Khitan car by water springs.橐 Llamas, horse and horse valley, grass dry water to make an instant move. ... This is the Northern Song Dynasty Su Zhe made during the Liao Dynasty ”made a mountain“ poem, reflected in the poet’s eyes is how a remote and desolate scene! Indeed, extremely Liao Dynasty territory, ”