1. They chose Khue Van Pavilion as the official symbol for Vietnam's captal Hanoi.
2. You should rent a bike or motorbike to travel around the city.
3. You had better take warm clothes because it's very cold in Sa Pa.
4. You don't need to book a hotel in advance.
5. Why don't we pay a visit to Huong pagoda?
6. This bridge is the same length as that one.