0.8ร1ร1.2ร1.5ร1.7ร2ร2.5ร13 minโก๏ธ16 min13 min11 min8 min 30 sec7 min 30 sec6 min 22 sec5 min 6 secIntroduction0.8ร1ร1.2ร1.5ร1.7ร2ร2.5ร13 minโก๏ธ16 min13 min11 min8 min 30 sec7 min 30 sec6 min 22 sec5 min 6 secIntroductionYour user agent does not support the HTML5 Video element.