You have just received an email from your friend, Mark, from…

You have just received an email from your friend, Mark, from the USA. Read part of his email below. > We have read a lot about Vietnam in a tourism guidebook and have decided to visit your country this summer. Which month do you think is the best for our visit? We only have 10 days to travel, so can you suggest some places we should visit and the best ways to get there from Hanoi? It would be great if we could take part in a festival to learn more about your country’s culture. Is there a festival in Vietnam during the summer? What is special about it? Write a reply to Mark.