求翻译：　据说秦始皇二十二岁统一中国后，就下令大规模地为他修建陵墓。因骊山风光秀丽，加上山阳产玉，山阴多金，金玉双全，正符合他的迷信思想，所以他把墓地选在骊山北麓。是什么意思？

　It is said that Qin Shi Huang unified China after the age of 22, ordered the construction of a mausoleum for him on a large scale. Because of Li mountain scenery is beautiful, with Sanyo jade, shanyin gold, gold and jade complete, filled the superstitious thought, so he selected at the foot of Lishan mountain cemetery.