传说中的女巫都有一个法力无边的水晶球。而随着科技的发展，水晶球或许真的有一天会变成现实。
这款挂在墙上的奇怪的球体就利用了现代化的交互式技术达到了类似于传说中水晶球的效果。
下面就让我们通过一段视频来见识一下这个“水晶球”吧：
译文:
Modern Crystal Ball
In legend, a witch usually has a crystal ball with supernatural power. With the development of science and technology, the crystal ball may really come true one day.
The strange sphere hanging on the wall has the similar effect of the crystal ball in legend by taking advantage of the modern interactive technology.
Now let's have a look at this "crystal ball" through a video: