In show they created Mecha before a Plane. Even though they have created plane but still use airship. They have tanks 50 years before any cars. They created a complex drill machine before other thing.
In show they created Mecha before a Plane. Even though they have created plane but still use airship. They have tanks 50 years before any cars. They created a complex drill machine before other thing.
Maybe the plane was invented earlier, but the Airbenders’ Union went on a general strike until everyone agreed to outlaw the technology.