Machu Picchu on 1 April 2010. In July 2011, the Dirección Regional de Cultura Cusco (DRC) introduced new entrance rules to the citadel of Machu Picchu. The tougher entrance rules attempted to reduce the effect of tourism. The entrance was limited to 2,500 visitors per day, and the entrance to Huayna Picchu (within the citadel) was further restricted to 400 visitors per day. In May 2012, a team of UNESCO conservation experts called upon Peruvian authorities to take "emergency measures" to further stabilize the site's buffer zone and protect it from damage, particularly in the nearby town of Aguas Calientes, which had
Hiram Bingham III center but a royal estate to which Inca leaders and their entourage repaired during the Andean summer. Machu Picchu has become one of the major tourist attractions in South America, and Bingham is recognized as the man who brought the site to world attention, although many others helped to bring this site into the public eye. The switchback-filled road that carries tourist buses to the site from the Urubamba River is called the Hiram Bingham Highway. Bingham has been cited as one possible basis for the Indiana Jones character. His book "Lost City of the Incas" became a bestseller upon