这张图片中羽毛状的泡沫是在铝土废料中形成的。
它有着羽毛状的触须，这些触须接触其他的神经来传递信息。
It has feathery feelers that touch other nerves to pass messages.
图片中心偏左的地方，几片羽毛状的大小清晰可见，这是从坡顶滑落的碎片所致。
A small plume of dust is even visible to the centre left of the image, which was kicked up by the falling debris.
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