Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching 三星堆新馆文物比以前多了两倍，但却有一种消失的东西就是象牙，当年挖到的象牙因为无法保存而全都化成了灰，但随着科技的进步，终于找到了保存方法...#三星堆#博物館#涨知识#文物#历史#成都#博物馆#象牙. and this video is uploaded by 大咖说讲师团 at 2024-03-30T15:12:46-07:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [TXIc_WBa6LY]