Electric motor airplane flying in the sky

摘要

Several people will be able to ride around the world. (1) Technical field We will be able to travel the world Sejong City discusses with 1,600 geniuses (2) Challenges to be solved Ten times more safe than a rubber balloon now. (3) Solution to the problem We can export to world. (4) Effect You can not make too much, but you'll have to go where the plane does not go.