Peru wants archeology back from Yale

Rising proudly at over 7500 feet high ( 2300 meters ), Inca citadel of Machu Picchu was so inaccessible that the Spanish conquerors were never able to found it. But in 1911 Yale historian Hiram Bingham rediscovered it, and between 1912 and 1915, directed the National Geographic Society in a series of expeditions that ended in many archaeological finds that were transferred to Yale University, allegedly with the permission of Peruvian president, Augusto Legu