And we can see that they also knew how to obtain resources from farther afield, such as flint and copper ore.
And we can see that they also knew how to obtain resources from farther afield, such as flint and copper ore.
我们还发现，他们也知道如何取得远方的资源，例如燧石与铜矿。
And we can see that they also knew how to obtain resources from farther afield, such as flint and copper ore.
我们还发现，他们也知道如何取得远方的资源，例如燧石与铜矿。