visualizaciones
Dictator's Dilemma (Full Episode) | North Korea: Inside the Mind of a Dictator
Gulf of Mexico (Full Episode) | Drain the Oceans
Koko utiliza el lenguaje de signos en un documental de 1981 | National Geographic en Español
National Geographic - El mundo perdido de los Mayas
Petra's Hidden Origins | Lost Cities with Albert Lin (Full Episode)
Fossils 101 | National Geographic
Inca Island in the Sky (Full Episode) | Lost Cities with Albert Lin
How the Panama Canal Was Built | The Engineering that Built the World (Season 1)