0.8ร1ร1.2ร1.5ร1.7ร2ร2.5ร10 minโก๏ธ13 min10 min8 min 37 sec6 min 54 sec6 min 5 sec5 min 10 sec4 min 8 secIntroduction0.8ร1ร1.2ร1.5ร1.7ร2ร2.5ร10 minโก๏ธ13 min10 min8 min 37 sec6 min 54 sec6 min 5 sec5 min 10 sec4 min 8 secIntroductionYour user agent does not support the HTML5 Video element.