Called Levytator, the invention has curved steps that allow to twist, bend and snake around corners in a continuous loop.

这款新发明名为“利维电动梯”，其每层阶梯边缘都是弯曲的，可以让一段闭合扶梯扭转、弯曲以及绕着角落蜿蜒而行。

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Compared to existing robotic devices and traditional means of search and rescue using sniffer dogs, snake robots are packed with sensors and can use their unique shape and delicate movement to crawl over rubble and bend around obstacles.

CNN: Snake robots slither to the rescue