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Ha Long Bay is an unique natural heritage in northern Vietnam close to the Chinese border. It is about 200 kilometers from Hanoi to Halong City, so self-driving is a popular option. Thousands of peculiarly shaped islands and many caves in this bay are gathered together to form a vivid and mysterious world. Halong Bay has many famous places, such as Tiangong Cave, Meigong Cave, Tuan Chau Island... In addition, you also have the opportunity to participate in interesting activities. You can take part in Halong Bay kayaking activities, visit fishing villages or spend the night with Halong Bay food. All in all, Halong Bay is the best choice for relaxing after hard work.

Ha Long Bay is a unique natural heritage in northern Vietnam close to the Chinese border. It is about 200 kilometers from Hanoi to Halong City, so self-driving is a popular option. Thousands of peculiarly shaped islands and many caves in this bay are gathered together to form a vivid and mysterious world. Halong Bay has many famous places, such as Tiangong Cave, Meigong Cave, Tuan Chau Island... In addition, you also have the opportunity to participate in interesting activities. You can take part in Halong Bay kayaking activities, visit fishing villages or spend the night with Halong Bay food. All in all, Halong Bay is the best choice for relaxing after hard work.

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có mỗi 5 là số nguyên tố mà bạn :v