Unlike traditional markets in Vietnam’s urban areas which open daily, the colorful weekend markets in Ha Giang only open once a week, and have become a unique cultural tradition of ethnic minority communities.
Source: VNExpress International,
https://e.vnexpress.net/photo/places/ha-giang-weekend-flea-market-is-a-unique-tradition-in-vietnams-northern-highlands-4544242.html
