Purépecha). These caves run for about 300 meters with thousands of formations in calcite, coral, calcium carbonate and plant fossils. Within the caves, about twenty species of bats reproduce. The caverns are illuminated and have speakers within playing music for visitors. The Los Azufres Park is known for its thermal waters heated by an inactive volcano. The site extends over 1319,15km2 with an altitude that varies between 2950 and 3200masl, near San Pedro Jácuaro. The springs have been attributed with medical powers since the pre Hispanic period. A number of spas have been established in the area such as Laguna Larga, San Alejo, Doña Celia, Campamento Turístical Los Azufres, Tejamaniles, and Eréndira. The tranquil waters of Laguna Larga reflect the green of the trees around them. Laguna Verde is colored by the sulfur it contains. In a number of places there are craters where mud boils. In Laguna Los Azufres the water is very hot and contains a large quantity of dissolved minerals including sulfur. There are also geysers and fresh water springs. It is not a national park but Semarnat has a project to declare it a protected area. Problems with the area include deforestation and trash. The geothermic energy of the area is used to generate electricity. There are various hotels, spas and other businesses which offer activities such as camping, cycling, rowing, swimming and hiking. Forestry and wood products are an important part of the economy for both the city and the rest of the municipality. However, deforestation has become a problem. According to municipal president Jose Luis Avila Franco, the development of tourism is important for the entity to take advantage of as is its natural resources as to lead it away from an overdependence on forestry. However, tourism only accounts for three percent of the economy currently. Industry accounts for about thirty percent of the economy and include the production of processed foods, metals, furniture and textiles. About twenty percent of the economy is based on agriculture and livestock. Crops include corn, wheat, tomatoes, fava beans, garlic, peaches, apples, quinces, capulins, maguey for pulque, avocado, apricots and sapotes. Livestock includes domestic fowl, cows, pigs, goats, horses, donkeys, mules, and bees. There are deposits of non-metallic minerals such as lime, clay, kaolin, sulfur and others. Most of the rest is accounted for by commerce. Ninety percent of commercial establishments are small and family owned. However, in