Expanding interests
Revision as of 13:19, 22 September 2018 by )biyibiyibiyi( (talk | contribs)
man invents aircraft simulator: https://www.bilibili.com/video/av20430566?from=search&seid=10429675796571772920
simulated aircraft flying videos: //akihabara on google flight simulator
https://www.bilibili.com/video/av2629172?from=search&seid=10429675796571772920