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
Salcantay word meaning wild, uncivilized, savage, or invincible, and was recorded as early as 1583. The name is thus often translated as "Savage Mountain". Directly to the north of Salkantay lies Machu Picchu, which is at the end of a ridge that extends down from this mountain. Viewed from Machu Picchu's main sundial, the Southern Cross is above Salkantay's summit when at its highest point in the sky during the rainy season. The Incas associated this alignment with concepts of rain and fertility, and considered Salkantay to be one of the principal deities controlling weather and fertility in the region west