| Artist | : | 从未被正面攻破！剑门关到底特别在哪？天下名关4 蜀道天堑剑门关 20230411 | CCTV百家讲坛官方频道 |
| Title | : | CCTV百家讲坛官方频道 |
| Duration | : | 2264 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | 从未被正面攻破！剑门关到底特别在哪？天下名关4 蜀道天堑剑门关 20230411 | CCTV百家讲坛官方频道 |
| Title | : | CCTV百家讲坛官方频道 |
| Duration | : | 2264 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |