The weather in a snowy climate is unpredictable. He'd often awake to find pieces that he'd already finished had somehow "self-destructed." Later, he realized that they were freezing overnight, and when the sun came out they'd thaw.
雪地氣候詭譎難測，常常一覺醒來，前一天明明已經完成的作品突然「自體毀滅」。