MORE LIGHTWEIGHT THAN AIR. 100 years ago, two young Argentine pilots, Eduardo Bradley and Angel Zuloaga, were the first men to cross the Andes Mountains through the air aboard a precarious balloon. They flew more than 8. 000 meters, from Santiago of Chile to Mendoza in Argentina. Relive the feelings and passions of two men who courageously pushed the bounds of flight in ways previously unimaginable. The first attempts to fly in early 1900 and how to fly today on the Andes mountain range.