嘉峪关是明代万里长城西端起点,也是长城沿线建筑规模最壮观、保存最完整的一座古代军事关隘。长城第一墩,又称讨赖河墩,是嘉峪关西长城最南端的一座墩台,也是明代万里长城最西端的一座墩台,与山海关老龙头有异曲同工之妙。长城第一墩于公元1539年由肃州兵备道李涵监筑,北距关 Jiayuguan is the starting point of the western end of the Great Wall of the Ming Dynasty, but also the most spectacular and most complete preserved ancient military pass along the Great Wall. The first pier of the Great Wall, also called Ru Laihe, is the pier at the southern end of the Great Wall in Jiayuguan. It is also the pier at the western end of the Great Wall in the Ming Dynasty. It has the same function as the old leader at Shanhaiguan. The first pier of the Great Wall was constructed in 1539 by Li Han, Bingbing Road, Suzhou