So 5,000 years after the invention of the wheel, we have a new wheel. I will show you, in the next video -- can you start it, please? -- that very heavy loads can be moved.
所以在车轮发明了5000年之后 我们创造了一种新型的车轮。将会在下个视频中向你们展示 请问能播放视频吗？ 只要有人在后面推这个庞大的家伙