Lianshanguan skyline is a natural barrier on this ancient road. The mountains are steep and majestic. The shrub forest composed of red pine, larch, scorpion, scorpion, scorpion, scorpion, scorpion, scorpion, scorpion, scorpion, scorpion and other trees, with lush branches and greenery. The king of the imperial history of the east of Mingliao, the governor of the imperial history of the imperial history, depicted it with five-word poems, "even the mountains are green and the horses are also able to pass. Related to the condensing of the Han, through the forest and cover the sky", which can be seen as the mountain's top and the geographical weight.