Monte Roraima, fronteira Brasil, Venezuela e Guiana, Pacaraima, Santa Helena, marcos regulatórios, expedição da I Comissão Brasileira Demarcadora de Limites - PCDL, Brasil, Venezuela e Guiana, meio ambiente, política, diplomacia, sociedade, unidades de conservação, saavana, Amazônia, rio Branco, Boa Vista, Roraima, montanha, cachoeira, nuvem céu, Paulo Santos, Monte Roraima, Frontier Brazil, Venezuela and Guyana, Pacaraima, Saint Helen, Regulatory framework, Expedition of the First Brazilian Border Demarcation Commission - PCDL, Brazil, Venezuela and Guyana, environment, policy, diplomacy, society, conservation units, saavana, Amazônia, White River, Good view, Roraima, mountain, waterfall, Cloud sky, Paulo Santos, Tríplice fronteira; Bolívar; Bolívares; Tepui; indígenas; diamante; turismo; escalada; alpinismo; América do Sul; trekking; aventura; adventure; parque nacional do monte Roraima; planalto das guianas; Makunaima; Macuxis; Arapobo; Cotingo; Waruma; Paikwa, Orinoco; Esequibo; Tepuy Roraima; kukenán; parque nacional Canaima;, Mount Roraima, Guiana Highlands, Geology, Plateau Climbing, Sir Everard im Thurn, Harry Inniss Perkins, Guyanese natives, Tepuy Roraima, Pakaraima chain of tepui plateaus, South America, Sir Walter Raleigh, triple border point of Venezuela (85% of its territory), Guyana (10%) and Brazil (5%). Canaima National Park, oldest geological formations on Earth, Maverick Rock, local endemic plants, Heliamphora, Campanula, Rapatea heather, Bonnetia roraimœ, Oreophrynella quelchii, Maverick Rock, highest point of Mount Roraima, Monte Roraima National Park, Raposa Serra do Sol Indigenous Territory