For the first part about the trip to Trang An:
- **C**: "Overall, a trip to Trang An offers a unique experience for nature lovers and history buffs (người rất am hiểu về lịch sử) alike."
- **A**: "It is a scenic landscape (phong cảnh thiên nhiên đẹp) complex (quần thể), that includes limestone karst mountains, caves, rivers, and rice paddies."
- **D**: "The area is famous for its natural beauty and cultural significance, as it was once the capital of Vietnam during the Dinh and Le dynasties (triều đại)."
- **E**: "Visitors can take a boat tour through the complex (quành thề), which typically lasts around two to three hours."
- **B**: "Along the tour, you can see the breathtaking (Hạ long) cliffs (đá), explore the caves, and visit the temples (đền) and pagodas (chùa) located throughout the complex."
So, the correct arrangement would be:
**C - A - D - E - B**