The boundary line also has an ambiguous meaning. 13, sort of like the two teams in the Russian video, beating each other naked and topless.
The boundary line also has a mean meaning. 13 people, a bit like the Russian team in the two teams playing group, the people who beat each other did not wear clothes, naked upper body.
text:borderline has also a kind meaning of ambiguity.13,being no clothes like these person who are beating in two team in vedio of russia.
边界线还有一种暧昧的意思。13人，有点像俄罗斯视频中两队打群架，击败对方的这些人的没穿衣服，赤裸上半身。