正在加载视频...
视频加载失败
Why did ancient builders leave these strange knobs protruding from enormous stone blocks? You can find them at ancient sites across Egypt, Peru and beyond, sometimes on stones weighing many tonnes. The usual explanation is that they were lifting points, or simply unfinished remnants left during quarrying. But why... show more
28,929 次观看 • 10 天前 •via X (Twitter)
0 条评论
暂无评论
原始帖子的评论将显示在这里
