《水经注·卷三十四》
老城是关羽所筑。
旧城，关羽所筑。
The old city was built by Guan Yu.
<s>[INST] Rewrite the following English passage in the style of Classical Chinese: The old city was built by Guan Yu. [/INST] 旧城，关羽所筑。</s>
Rewrite the following English passage in the style of Classical Chinese: The old city was built by Guan Yu.
user
旧城，关羽所筑。
assistant