Overhead the sky was full of strings and shreds of vapour, flying, vanishing, reappearing, and turning about an axis like tumblers, as the wind hounded them through heaven.
头顶的天空满是丝缕般的云气,被风追赶着穿过天宇,飞舞、消散、重现,又像杂技演员般绕轴翻转。
— Robert Louis Stevenson · Travels with a Donkey in the Cevennes · A Camp in the Dark —