Ha Long Bay is a World Heritage site in Vietnam twice recognized by UNESCO – in 1994 and 1999. With almost 2000 islands rising from the emerald water of the Gulf of Tonkin, Ha Long is an excellent example of a Karst landscape created by...

Ha Long Bay is a World Heritage site in Vietnam twice recognized by UNESCO – in 1994 and 1999. With almost 2000 islands rising from the emerald water of the Gulf of Tonkin, Ha Long is an excellent example of a Karst landscape created by a ...