Machu Picchu is a 15th-century Maya citadel.
Machu Picchu -LRB- -LSB- matu pitu -RSB- -RRB- -LRB- Machu Pikchu -LSB- mtu pixtu -RSB- -RRB- is a 15th-century Inca citadel situated on a mountain ridge 2430 m above sea level .	Inca	Inca Empire	above sea level	Above mean sea level
