Read the text and choose the correct word.

Machu Picchu is a 15th-century Inca citadel, located in the Eastern Cordillera of southern Peru, on a 2,430-metre mountain ridge*. It is located in the Machupicchu District within Urubamba Province above the Sacred Valley, which is 80 kilometres northwest of Cuzco. The Urubamba River flows past it, ... through the Cordillera and creating a canyon with a tropical mountain climate.
For most ... of English or Spanish, the first 'c' in Picchu is silent. In English, the name is pronounced /ˌmɑːtʃuː piːtʃuː/ or /ˌmɑːtʃuː piːktʃuː/, in Spanish as

or , and in Quechua \(Machu Pikchu\) as .
Most archaeologists believe that Machu Picchu was ... as an estate for the Inca emperor Pachacuti \(1438–1472\). Often mistakenly referred to as the "Lost City of the Incas", it is the most familiar icon of Inca civilization. The Incas built the estate around 1450 but abandoned it a century later at the time of the Spanish conquest. Although known ... , it was not known to the Spanish during the colonial period and remained unknown to the outside world until American historian Hiram Bingham brought it to international attention in 1911.
Machu Picchu was built in the ... Inca style, with polished dry-stone walls. Its three primary structures are the Intihuatana, the Temple of the Sun, and the Room of the Three Windows. Most of the ... buildings have been reconstructed in order to give tourists a better idea of how they originally appeared. By 1976, 30% of Machu Picchu had been ... .
Machu Picchu was ... a Peruvian Historic Sanctuary in 1981 and a UNESCO World Heritage Site in 1983. In 2007, Machu Picchu was voted one of the New Seven Wonders of the World in a worldwide internet poll.
*ridge – горный хребет