0.8ร1ร1.2ร1.5ร1.7ร2ร2.5ร20 minโก๏ธ24 min20 min16 min13 min12 min9 min 47 sec7 min 49 secIntroduction0.8ร1ร1.2ร1.5ร1.7ร2ร2.5ร20 minโก๏ธ24 min20 min16 min13 min12 min9 min 47 sec7 min 49 secIntroductionYour user agent does not support the HTML5 Video element.