Almost a century after its archaeological discovery and thanks to recent studies of sixteenth century archival documents, there are good arguments to suppose that the citadel of Machu Picchu was - like the pyramids of the pharaohs in Egypt or the tomb of the emperor Chin Shi Huan in China - the luxurious and well cared for mausoleum of the Inca Pachakuteq, founder and first emperor of Tawantinsuyu.