那天是正月初十，雪后初晴，来到这里，灿烂的阳光下，见瓦尔登湖冰雪复盖，晶莹剔透，洁白耀眼，周边苍松伟岸，树木葱郁，银装素裹，只有三两游人在湖上滑雪，宁静而又素雅，有一种近乎圣洁的美丽。
B-Time I-Time O B-Time I-Time I-Time I-Time O B-Thing B-Time O O O O O B-Location I-Location O O O O B-Thing I-Thing O O O B-Thing I-Thing I-Thing I-Thing I-Thing I-Thing O O O O O O O O O O O O O B-Location I-Location B-Thing I-Thing O O O B-Thing I-Thing O O O O O O O O O O B-Metric I-Metric B-Person I-Person O B-Location I-Location O B-Thing O O O O O O O O O O O O O O O O O O O