https://blog.wongcw.com/2021/06/30/klein-vision-aircar%e7%a9%ba%e4%b8%ad%e6%b1%bd%e8%bb%8a%e5%9c%a8%e5%85%a9%e5%80%8b%e5%9f%8e%e5%b8%82%e4%b9%8b%e9%96%93%e5%ae%8c%e6%88%90%e4%ba%8635%e5%88%86%e9%90%98%e7%9a%84%e8%a9%a6%e9%a3%9b/
Klein Vision AirCar空中汽車在兩個城市之間完成了35分鐘的試飛