 Complete the following phrase:  The Monument to the Heroes is formed by four parallelepipeds: two vertical ones made of travertine marble and two horizontal ones in black marble, each with 30 meters98 ft in length and a total weight of 300 tons672.000 lb. On the horizontal walls there are bronze statues representing the heroes of independence: Simón Bolívar, Antonio José de Sucre, Rafael Urdaneta, Santiago Mariño, Francisco de Miranda, José Antonio Páez, Manuel Piar, José Félix Ribas, Luis Brión, Juan Bautista Arismendi and José Francisco Bermúdez. In the monoliths the names of the Venezuelan heroes and the four battles that sealed the independence of the Bolivarian countries were carved: Ayacucho, 