0.8×1×1.2×1.5×1.7×2×2.5×5 min⚡️6 min 49 sec5 min 27 sec4 min 32 sec3 min 38 sec3 min 12 sec2 min 43 sec2 min 10 secIntroduction to Living Bulletin0.8×1×1.2×1.5×1.7×2×2.5×5 min⚡️6 min 49 sec5 min 27 sec4 min 32 sec3 min 38 sec3 min 12 sec2 min 43 sec2 min 10 secIntroduction to Living BulletinYour user agent does not support the HTML5 Video element.