This document provides clues about various locations in China. It references an imperial religious building located along the Silk Road that Chinese emperors would visit annually for ceremonies. It also mentions religious caves in southeast China, one of the top four classical gardens, and a palace located at a high altitude of 4,000 meters in Hunan province. Finally, it refers to one of the Three Great Towers in southern China.

1. CLUE 1
An imperial religious building

2. CLUE 2
The complex was visited by the Emperors of the Ming
and Qing dynasties for annual ceremonies of prayer to
Heaven for a good harvest.

3. CLUE 1
It is situated at a strategic point along the Silk Road.

4. CLUE 2
Religious caves

5. CLUE
It's located in Southeast China.

6. CLUE 2
One of the top four classical gardens in China

7. CLUE 1
It's a Palace.

8. CLUE 2
It's located at an altitude of almost
4,000 meters.

9. CLUE 1
It's located in Hunan province.

10. CLUE 2
It is one of the Three Great Towers
in Southern China.