the low rainfall rate. It is a very important sector with a considerable increase in production due to the modernization of agricultural holdings and the increase of the Mequinenza irrigable area, reaching more than 3,000 hectares. Mequinenza has become a regional engines that leads this sector mainly dedicated to peach, cherry, olive and almond. Industry in Bajo / Baix Cinca is based mainly on industrial activities. The agrobusiness sector has a high percentage of companies, and its prominence in relation to direct and indirect employment is very significant. Services sector is also relevant for the economy of the area, representing the second source of income for the population, with a special importance of the tourism sector in areas such as Mequinenza that have numerous companies of active tourism, sport fishing and cultural tourism that attract both national and international visitors throughout the year. Historically, the energy production sector has been concentrated also in Mequinenza. Initially, in 1850s it was with the coal extraction from the Mequinenza coal basin for more than 150 years and later with the construction of hydroelectric reservoirs of Mequinenza (also known as "Mar de Aragón") and Riba-roja. History The Comarca del Bajo / Baix Cinca is located in a privileged and strategic position that has made it a meeting place for civilizations, cultures and languages. It is crossed by the Cinca river, to which it owes its name, a river that receives the waters of the Alcanadre and finally joins the Segre river that ends up depositing its waters in the Ebro river in Mequinenza. The region treasures numerous vestiges of prehistoric villages (such as the archaeological sites of Castellets or Riols in Mequinenza) Iberians, Ibero-Romans, Romans (such as Villa Fortunatus in Fraga), Visigoths, Arabs, Jews and Christians. The result of this is a mixture of Romanesque, Gothic and Mudejar art that invades the heritage of an ancient region. They are declared Sites of Cultural Interest in the category of archaeological zone: Villa Fortunatus and El Pilaret de Santa Quiteria in Fraga, Mas de Fayonet I, Vallbufandes, Valmayor I, Valmayor IV in Mequinenza, and El castellazo in Ballobar. In the category of monument are the Tower of the Friars, the Tower of the Pilaret of Santa Quiteria and the San Miguel church in Fraga, the Cross of Escarpe and the Castle of Mequinenza in Mequinenza, the castle of Zaidín, the Hermitage of Santa María in Chalamera