im afraid these guys are dutch or belgian and the dance they're doing is called 'gabber'. im a belgian and when i was growing up this 'gabber' thing is what all lowlifes were into,strangely enough its still very popular
if you want to know what this subculture is about, just link these keywords together and i guess you'll get the picture: footballviolence, amphetamines,neonazi skinheads,adidas tracksuit,nike airmax 90,unemployment
its really a big thing in the benelux, i dont know 'bout the rest of europe
i cannot believe i actually registered to tell you this