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
French Guiana of camps and penitentiaries along the coast where prisoners from metropolitan France were sentenced to forced labor. During World War II and the fall of France to German forces, Guianan Félix Éboué was one of the first to support General Charles de Gaulle of Free France, as early as June 18, 1940. Guiana officially rallied Free France in 1943. It abandoned its status as a colony and once again became a French department in 1946. After De Gaulle was elected as president of France, he established the Guiana Space Centre in 1965. It is now operated by the CNES, Arianespace