Stop at the unique Phuc Sen Forging Village, a community of the Nung An ethnic group renowned for their traditional blacksmithing skills, passed down through generations. Located along the road between Cao Bang City and Ban Gioc Waterfall, you can hear the rhythmic clang of hammers as you approach.

Observe skilled artisans forging knives, farming tools, and other implements using traditional methods over charcoal fires. It's a fascinating glimpse into a time-honored local craft in Cao Bang, and you can purchase high-quality, handmade knives directly from the workshops.