Partying, stunts and other "inappropriate behavior" have been banned on the Great Wall of China in order to prevent the structure from deteriorating, Reuters reported. The new rules issued by the State Council prohibit the driving of vehicles on the wall for group activities such as parties. "Inappropriate tourist exploration has caused damage to the Great Wall and its historical features," an unnamed State Council official was quoted as saying on the government web site. The wall, which is more than 6,400 kilometers long and is said to receive 10 million visitors every year, was named a World Heritage Site by the UN in 1987. However, crumbling sections of the wall not open to tourists have become hotspots for summer raves. It has also played host to a number of big name DJs as well as American illusionist David Copperfield.