Read the passage about the Complex of Hue Monuments. Answer the questions

Read the passage about the Complex of Hue Monuments. Answer the questions.
     The Complex of Hue Monuments is located in and around Hue City. Hue was established as the capital of Viet Nam in 1802. It was the political, cultural and religious centre under the Nguyen Dynasty.
     The Ngu Binh Mountain and the Perfume River, which runs through the city, give this unique feudal capital great natural beauty.                                                                                                                 
     The central structure is the Hue Citadel. It was the administrative centre of southern Viet Nam during the 17th and 18th centuries.                                                                                                                  
     Outside the Capital City there are several other monuments: Van Mieu (Temple of Literature), Dan Nam Giao (Esplanade of Sacrifice to the Heaven and Earth), Ho Quyen (Royal Area), Den Voi Re (Temple of the Roaring Elephant), and Chua Thien Mu (Celestial Lady Pagoda). Further upstream, arranged along the Perfume River were the tombs of the dynasty's emperors.
 
1.
When was Hue established as the capital of Viet Nam?
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2.
Hue was the capital of Viet Nam under which dynasty?
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3.
What geographical features contributes to Hue's natural beauty?
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4.
What lies at the centre of the Complex?

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5.
Where are the tombs of the Nguyen Dynasty's emperors located?