《宋书·志·卷三十四》
永康元年十一月戊午曰，初一，大风从西北方向吹过来，吹折树木，飞沙走石。
永康元年十一月戊子朔，大风从西北来，折木飞石。
On the wuwu day of the eleventh month of the first year of the Yongkang era, on the first day of the month, strong winds blew from the northwest, blowing down trees, and flying sand and rocks.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 永康元年十一月戊子朔，大风从西北来，折木飞石。 [/INST] On the wuwu day of the eleventh month of the first year of the Yongkang era, on the first day of the month, strong winds blew from the northwest, blowing down trees, and flying sand and rocks.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 永康元年十一月戊子朔，大风从西北来，折木飞石。
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On the wuwu day of the eleventh month of the first year of the Yongkang era, on the first day of the month, strong winds blew from the northwest, blowing down trees, and flying sand and rocks.
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