The circle were laid by removing an inche or more of snow, rather then melting the snow down, or compressing it, demonstrating that tromping feet were not the means by which the design was laid.
雪圈是以一英寸或多一些的方式把雪除去而做成的，不是将雪融化，或将其压缩而成，表明了该设计不是以脚践踏雪的手段能完成的。
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