The city of Pompeii is a buried Roman city near Naples. Pompeii was partially destroyed and buried under 4 to 6 m (13 to 20 ft) of ash and pumice in the eruption of Mount Vesuvius in AD 79. It was lost for nearly 1700 years before its discovery in 1749. The excavation has provided an detailed insight into the life of a city during that Era. Today, this UNESCO World Heritage Site is one of the most popular tourist attractions of Italy, with approximately 2,500,000 visitors every year.