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23°48′56.23″N 103°16′34.25″E / 23.8156194°N 103.2761806°E
The Kaiyuan Changhong Bridge, a stone arch structure spanning the Nanpanjiang River east of Tianfang Village Group in Kaiyuan City, Honghe Prefecture, Yunnan Province, China, is situated along the former National Highway 326. Constructed in 1961, it is designated as a national-level protected bridge and included in Major cultural heritage sites under national-level protection.