余'米只有一个，但并不孤独。
为了实现这个这个视觉错觉，他在玻璃上放置一层薄薄的水面(只有10厘米深)，在水面下方是一个可供参观者进入的空房间。
To make the illusion, thin layer of water (only 10 cm deep) was suspended over glass. Below the glass, there is an empty room that visitors can enter.
据它们的创作者表示，一个只有30厘米高的机器人身体里有20个接合点。
According to their creators, one robot that is only 30 centimeters tall has 20 joints in its body.
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