Machu Picchu risks of landslides, earthquakes and injury due to decaying structures. Nude tourism is a recent trend, to the dismay of Peruvian officials. In several incidents, tourists were detained for posing for nude pictures or streaking across the site. Peru's Ministry of Culture denounced these acts for threatening Peru's cultural heritage. Cusco's Regional Director of Culture increased surveillance to end the practice. In January 2010, heavy rain caused flooding that buried or washed away roads and railways to Machu Picchu, trapping more than 2,000 locals and more than 2,000 tourists, later airlifted out to safety. Machu Picchu was temporarily closed, reopening
Machu Picchu accompany a deceased noble in the afterlife. Animal, liquid and dirt sacrifices to the gods were much more common, made at the Altar of the Condor. The tradition is upheld by members of the New Age Andean religion. Machu Picchu lies in the southern hemisphere, 13.164 degrees south of the equator. It is northwest of Cusco, on the crest of the mountain Machu Picchu, located about above mean sea level, over lower than Cusco, which has an elevation of . As such, it had a milder climate than the Inca capital. It is one of the most important archaeological sites