“紫气东来三万里,函关初度五千年”。数百万年的进化与生息,更新世末到全新世初(距今1万年左右)的第四纪大冰期的降临,使大熊猫——剑齿象动物群的上百种成员完全销声匿迹,认为其在大冰川的扫荡下而灭绝,只留下动 “Purple gas to three miles, the first five thousand years of letters”. The advent of millions of years of evolution and survival, the advent of the Quaternary Great Ice age from the end of the Pleistocene to the beginning of the Holocene (about 10,000 years ago) completely eliminated the hundreds of giant pandas - members of the Stegosaurian fauna , Think it is extinct under the sweep of the Great Glacier, leaving only move