Mount Roraima, two billion years in making, is surrounded by tall cliffs on ALL sides! This mountain’s location – in South America – forms a triple border with Brazil, Venezuela and Guyana. It forms the highest peak of Guyana’s Highland Range.
Technology: The Three Biggest Aviation Advances From This Year: How RFID tags, carbon-fiber airframes, and battery sensors will change the course of flight. Vertical Takeoff and Landing (VTOL) aircraft will turn helicopters into airplanes.