Luding Bridge over Dadu river 大渡河 in Sichuan, built by Kangxi in 1706, linking Luding county Sichuan Luding county 泸定县 with Garze Tibetan autonomous prefecture 甘孜藏族自治州
The bridge we are walking on is the Iron Cable Bridge; we can experience the scene of the Red Army fighting for the Luding Bridge in the process of the Long Twenty-five-thousand-kilometer March.