it's an anti racist tv advert from malaysia. the boy is ethnic chinese (buddhist) and the girl is a native malay (muslim). they may come from different ethnic groups and religions but they're all malaysians! that's the message i think.

the crowd were chanting “USA, USA” after the prank was revealed. is that normal? just curious.

it is so PERFECT that it's almost like it's scripted!! this is REAL ART! makes you feel PROUD to be part of the HUMAN RACE!

i too hope you meant sad as in upsetting.
jade may not be to everyone's cup of tea but to use the tag “very sad shit”. there's just no need for it.
take care jade.

i'm 95% sure the video is from taiwan and they're singing in
Taiwanese Minnan (臺灣閩南語), commonly known as Taiwanese (臺灣話; 臺語), is a variant of the Hokkien form of the Min Nan Chinese language spoken by about 70% of the population of Taiwan.
http://en.wikipedia.org/wiki/Taiwanese_Minnan love his choice of tie-wear!