The world’s largest aircraft unveiled

Have you ever wondered how big an aircraft can be? Believe it or not, the world’s largest aircraft is more than three times the length of a Boeing 737 plane (波音737航機) and much longer than a football field! The Pathfinder 1, an airship (飛船) built by a California-based company called LTA (Lighter Than Air), was unveiled in Silicon Valley (矽谷) recently. ...Read More