Here are the suitable words filled in the blanks:

1. In my trip to Ha Long, I saw a **picturesque** fishing village in the bay.
2. A **tomb** is a repository for the remains of the dead.
3. A **fortress** is the core fortified area of a town or city.
4. There is no flying **citadel** in Hanoi.
5. Many tourists are **astounded** about the beautiful landscape of Vietnam.