They also invented a flute, a drum, the famous Inca panpipe (a collection of hollow tubes of various lengths stuck together), terrace farming, freeze dried foods, aqueducts, strange and scary art, a central government, a unified language, woven colorful textiles, gold and silver jewelry and statues, specialized ...
One of the Inca civilization's most famous surviving archaeological sites is Machu Picchu, which was built as a retreat for an Incan emperor. The Incas called their empire Tawantinsuyu, the “Land of the Four Corners,” and its official language was Quechua.Nov 19, 2013