愁听奔雷百折滩，崚嶒峭阁俯江干。诗句出自【清·唐乐宇】的《朝天关》。朝天关原文：愁听奔雷百折滩，崚嶒峭阁俯江干。戍旗落日关山迥，铃铎西风草树寒。烟外帆樯通广汉，云中宫阙望长安。题诗莫漫愁孤绝，千古魂销蜀道难。

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