Long ago, each street in Vietnam's capital, Hanoi, specialized in a specific trade, as artisans from villages in the red river delta settled in the capital to supply wares to the royal citadel of Thang Long.
Trekking routes across the Karst plateau of Dong Van Town, situated in northeast Ha Giang Province, have become increasingly popular since being recognized as part of the Global Network of National Geoparks (GGN) in 2010.