![Ha Long Bay](https://camilahotel.com/wp-content/uploads/2018/03/1-1898-1612243010-6804-1616034970-1641261644-1900x800.jpg)
Ha Long Bay
Ha Long Bay in the northern province of Quang Ninh, famous for its limestone karst amid emerald-green waters, was in fifth.
Quang Ninh only allows in tourists from green and yellow zones meaning low and medium risk levels. Photo by VnExpress/Thao Mien