found through their respective managements of Public Relations. Nearby, less than 100 kilometers away it is Ciudad Bolívar, the historic site of Bolivar state. On the other side of the river is the Mission of Caroni (Caroni ruins), the Castillos de Guayana and forest plantations. The Puerto Ordaz area was built and planned by the Companies Orinoco Mining Company and the Venezuelan Corporation of Guayana in the mid-twentieth century. The November 13, 2006 the Orinoco bridge, the second largest in the country, which facilitates communications Ciudad Guayana with the opposite bank of the Orinoco River in Anzoategui and Monagas states opened. Economic activity Many of Venezuela's prime industries are based in Puerto Ordaz. These include Alcasa, Venalum, Bauxilum, Carbonorca (primary aluminium manufacturers and anode suppliers for the aluminium industry), Ferrominera (iron ore processing), and Sidor (Orinoco Steelmaking). The country's main electricity producer, Corpoelec, and the regional development office, CVG (Corporación Venezolana de Guayana), are also located in Puerto Ordaz.. Port The port of Puerto Ordaz in a combination of piers (muelles), all under the control of CVG, of which only one is allocated for public use. The others are directly related to the CVG production companies, in principal all aluminium-related, approximately nine piers in total. One of the most frequently used piers is Ferrominera at the mouth of the Caroni river. Another is Ternium Sidor (recently nationalised into a CVG company, and the only steel works) at mile 197. Hydroelectricity The city hosts the headquarters of CVG Electrificación del Caroní (CVG Edelca), Venezuela's main electricity producer, which manage several hydroelectric power plants along the Caroní river basin. Two of them, Macagua and Caruachi, are located within city limits. The easy of access to Macagua from the city center makes it a tourist and educational destination, and a public park and museum were added to the complex. Edelca also builds and administers two more dams upstream from the city: Tocoma and Guri. The latter is currently (as of 2018) the fourth-biggest hydroelectric power station in the world in terms of generation capacity, and gave origin to the Guri reservoir, the second biggest lake in Venezuela. Transportation Puerto Ordaz is crisscrossed from north to south and east to west by numerous avenues. Some of them are: Guayana Avenue is the main traffic avenue of the city, since it crisscrosses the city from its start to its end. It begins at the toll