0.8ร1ร1.2ร1.5ร1.7ร2ร2.5ร17 minโก๏ธ21 min17 min14 min11 min9 min 47 sec8 min 18 sec6 min 39 secIntroduction0.8ร1ร1.2ร1.5ร1.7ร2ร2.5ร17 minโก๏ธ21 min17 min14 min11 min9 min 47 sec8 min 18 sec6 min 39 secIntroductionYour user agent does not support the HTML5 Video element.