Re: what to do and places to visit in Halong Bay for 1 day?
If you start from Hanoi city, you should choose a day trip to visit Halong Bay. They will pick you up at your hotel (around 8 a.m) and come back at 7 p.m - 8 p...
Re: airport money exchange ?
In the airport, there are some exchange money booths, they are all easy to find.
Re: airport money exchange
Some exchange money booth can open 24/7. But you should exchange your money as soon as possible.