ಈ ಕೆಳಗಿನವುಗಳಲ್ಲಿ ಯಾವುದನ್ನು ಪ್ರಾಚೀನ ಇಂಕಾಗಳು ನಿರ್ಮಿಸಿದರು?

Machu Picchu, a 15th-century citadel high in the Andes of Peru, was built by the Inca Empire. Petra was built by the Nabataeans (Jordan), Hagia Sophia by the Byzantines (Istanbul), and the Acropolis by the ancient Greeks (Athens).