Machu Picchu law of Peruvian antiquities. In 2007, Peru and Yale had agreed on a joint traveling exhibition and construction of a new museum and research center in Cusco advised by Yale. Yale acknowledged Peru's title to all the objects, but would share rights with Peru in the research collection, part of which would remain at Yale for continuing study. On 21 November 2010, Yale agreed to return the disputed artifacts. The third and final batch of artifacts was delivered November 2012. The artifacts are permanently exhibited at the Museo Machu Picchu, La Casa Concha ("The Shell House"), close to Cusco's colonial
Lost city Lost city A lost city is a settlement that fell into terminal decline and became extensively or completely uninhabited, with the consequence that the site's former significance was no longer known to the wider world. The locations of many lost cities have been forgotten, but some have been rediscovered and studied extensively by scientists. Recently abandoned cities or cities whose location was never in question might be referred to as ruins or ghost towns. The search for such lost cities by European explorers and adventurers in Africa, the Americas, and Southeast Asia from the 15th century onwards eventually led to