Guiana Shield is equally rich and 13,367 species of vascular plants have been found, approximately 40% of which is considered endemic. The shield is overlain by the largest expanse of tropical forest on any Precambrian shield area in the world. Guianan rain forest is similar in nature to Amazonian rain forest and known protected areas include the Iwokrama Forest of central Guyana, Kaieteur, Kanuku National Park of southern Guyana, the UNESCO World Heritage Site Central Suriname Nature Reserve of Suriname, the Guiana Amazonian Park in French Guiana and the Tumucumaque National Park in the Amapá State of Brazil. In Venezuela the forests
Pan-American Highway (South America) Pan-American Highway (South America) The project of a Pan-American highway began in or before 1923. The main idea was to create a network of wide roads that would connect the major points of interest in North and South America with a single highway. The longest segment connects the Brazilian city of Macapá in Amapá State to Cayenne in French Guiana, Paramaribo by the East-West Link Highway in Suriname, Georgetown in Guyana, and Boa Vista city in Roraima Brazilian State. Boa Vista is connected with all the cities in Venezuela such as Ciudad Guayana, its easternmost city. The highway supports trade