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Seeing the delicate beauty they enclose. (Paragraph 1)

The underlined word is closest in meaning to

exquisite
Discussion:
The history of the Alhambra is linked with the geographical place where it is located: Granada, Spain. On a rocky hill that is difficult to access, on the banks of the River Darro, protected by mountains and surrounded by woods, among the oldest quarters in the city, the Alhambra rises up like an imposing castle with reddish tones in its ramparts that prevent the outside world from seeing the delicate beauty they enclose.
What is the main idea of the third paragraph?
The fortess became a citadel with high ramparts and defensive towers.
Discussion:
Throughout the thirteenth, fourteenth and fifteenth centuries, the fortress became a citadel with high ramparts and defensive towers, which house two main areas: military area, or Alcazaba, the barracks of royal guard, and the medina or court city, the location of the famous Nasrid Palaces and the remains of the houses of noblemen and plebeians who lived there.
  Kornet Daging Sapi Dapat Dibuat Makanan Seperti, Kecualiā€¦ *