2015年12月12日星期六

雲裳集 ── 雨幡洞 ﹝fallstreak hole﹞

── A fallstreak hole in Cirrocumulus (top left of the photo) spotted at dusk on 21-DEC-2010. So unfortunate that a portion of the fallstreak hole was not seen as the view was blocked by buildings (cut from photo).