And what you see is -- actually, the red dotted line shows the track of this performing element, which was a new piece that created -- that we created for the -- which was a robotic drill, basically, that went all the way around, cruised the museum, went all around the walls and did a lot of damage.
你可以看到, 实际上, 红色虚线表示这些表现元素的状态, 创建了一个新的块. 我们用一个四处游动的机器人钻头 在博物馆的墙上到处流动,搞了不少破坏.