《水经注·卷二十一》
酸水又折向东南流，经过叶县老城北面。
黄巾之乱，残毁颓阙。
Suan Shui turned southeast again and passed the north of the old city of Yexian County.
<s>[INST] Convert the following modern Chinese text into Classical Chinese: 酸水又折向东南流，经过叶县老城北面。 [/INST] 黄巾之乱，残毁颓阙。</s>
Convert the following modern Chinese text into Classical Chinese: 酸水又折向东南流，经过叶县老城北面。
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黄巾之乱，残毁颓阙。
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