Annually, within one week of a particular month in a year, at Halong Bay – northern part of Quang Ninh province, Halong Tourism Week is organized. The event is a valuable chance for foreign visitors to understand the unique beauty of Halong. The spotlight of this festival is Halong Carnival. It has been held since 2011 when Halong was chosen as one of the new seven natural wonders of the world. Halong Tourism Week is a combination of modern and traditional styles. Also there are a wide variety of cultural, tourism, and sporting activities, consisting of art performances and food festivals. There is even Miss Sea Contest at Halong Tourism Week. The Tourism Week attracts more tourists from other provinces in Vietnam and other countries in the world. Answer the question 1, how often is halong tourism week celebrated? 2, how long does is last? 3, which activities can tourists see at ha long tourist week? Giúp em gấp ạ helppppppppppppp