The Stronghold (thriller) invites the boys to his house where in a big worry and hurry he tells them the story about Inca civilization, the ruins, which according to some historians were built by Incas, but which, however, could not be erected by Incas given their level of technology. The artist also tells them a legend about a lost city called Paititi, shows them a blurred photo of some unknown ruins in selva and gives them a handwritten map supposed to lead to that place. After some deliberations the guys decide to go to Peru and look for the Inca’s stronghold. Gunnar Ivers
Lost city few or no clues to their decline. For example, Malden Island, in the central Pacific, was deserted when first visited by Europeans in 1825, but the unsuspected presence of ruined temples and the remains of other structures found on the island indicate that a population of Polynesians had lived there for perhaps several generations some centuries earlier. Prolonged drought seems the most likely explanation for their demise and the remote nature of the island meant few visitors. With the development of archaeology and the application of modern techniques, many previously lost cities have been rediscovered. Machu Picchu is a pre-Columbian