I have 3 days and 2 nights in the Hanoi region and not sure what to see and what to skip. At least 1 day/night in Hanoi. How should I break up the last 2 days/1 night amongst the following:
1. Halong Bay
2. Perfume Pagoda
3. Trang An, Hoa Lu, Bai Dinh Pagoda
Any help would be great. Thanks!