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 thousands of Hmong refugees from Laos to French Guiana. In 1964, French president Charles de Gaulle decided to construct a space-travel base in French Guiana. It was intended to replace the Sahara base in Algeria and stimulate economic growth in French Guiana. The department was considered particularly suitable for the purpose because it is near the equator and has extensive access to the ocean as a buffer zone. The Guiana Space Centre, located a short distance along the coast from Kourou, has grown considerably since the initial launches of the Véronique rockets. It is now part of the European space