Global storm activity of 2010 buried or washed away roads and railways leading to the ancient city of Machu Picchu, trapping over 2,000 tourists in addition to 2,000 locals. Machu Picchu was temporarily closed, but it reopened on February 28, 2010. Peru's rail crew has been hard at work since then, and Machu Picchu reopened to tourists on April 1, 2010. 51 were killed, 59 injured and 12 are missing in France, 6 killed in Germany, 3 killed and 2 severely injured in Spain, 1 killed in Portugal, 1 in Belgium, 1 in the Netherlands and 1 in England as heavy rainstorms hit the Bay
Machu Picchu prevent it from running down the mountain. Similar layering protected the large city center from flooding. Multiple canals and reserves provide water throughout the city that could be supplied to the terraces for irrigation and to prevent erosion and flooding. The Incas never used wheels in a practical way, although their use in toys shows that they knew the principle. The use of wheels in engineering may have been limited due to the lack of strong draft animals, steep terrain and dense vegetation. The approach to moving and placing the enormous stones remains uncertain, probably involving hundreds of men to