《徐霞客游记·滇游日记十》
有一座三拱石桥在东横跨溪流，这是大桥。
有三巩石梁东跨其上，是曰大桥。
A three-arch stone bridge crosses the creek in the east, this is the Daqiao.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 有三巩石梁东跨其上，是曰大桥。 [/INST] A three-arch stone bridge crosses the creek in the east, this is the Daqiao.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 有三巩石梁东跨其上，是曰大桥。
user
A three-arch stone bridge crosses the creek in the east, this is the Daqiao.
assistant