Drone test https://koputokiryo.com/%e3%80%90%e8%8b%b1%e8%aa%9e%e3%81%a7%e6%9c%80%e6%96%b0%e8%a8%98%e4%ba%8b%e3%82%92%e8%aa%ad%e3%81%bf%e4%b8%8b%e3%81%97%ef%bc%81%e3%80%91%e7%a9%ba%e9%a3%9b%e3%81%b6%e8%bb%8a%e3%82%b5%e3%83%bc%e3%83%93/drone-test/