法门寺
Important industries include equipment manufacturing, tourism, and service outsourcing. The manufacturing industry had an annual output of RMB 36.5 billion, accounting for 44.5 percent of the city's total. Furthermore, as one of China's four ancient capitals, Xi'an's many cultural sites, including the Terracotta Army, the City Wall of Xi'an, and the Famen Temple, make tourism an important industry as well. In 2010, 52 million domestic tourists visited Xi'an, earning a total income of RMB 40.52 billion. On average, revenue increases by 36.4 percent per year, and foreign-exchange earnings (530 million in 2009) increase by around 35.8 percent.