今天,属于陇东高原的甘肃庆阳地区,早已以出土黄河剑齿象而远近闻名;但是你可知道,这里还是我国发现的第一块旧石器的产地哩!长期以来,人们对于这一具体地点始终未曾查明;不久前我们在一次为期三个月的地质旅行中,终于揭破了这个谜。这块旧石器,是在本世纪二十年代发现的。事情经过是这样的: 当时,西方传教士钻到陇东 Today, the Qingyang area of ​​Gansu, belonging to the Longdong Plateau, has long been known for its unearthed Yellow River sword-tooth image; but as you know, here is also the first Paleolithic found in our country! For a long time, Location has never been identified; not long ago we in a three-month geology trip, finally revealed the mystery. This Paleolithic was discovered in the 1920s. Things passed like this: At that time, Western missionaries went to Longdong