空にぽっかり浮かんだ白い雲、上部はモコモコなのに
下部がほぼ水平なのはどういう現象かなあ??
Clouds , lower side is almost level but upper side is not
what kind of phenomenon is this ??
下部がほぼ水平なのはどういう現象かなあ??
Clouds , lower side is almost level but upper side is not
what kind of phenomenon is this ??