The flash mob is in honor of South Korean singer Psy, who's taking part in a Russian music awards ceremony on Friday.

快闪族们以这种方式欢迎韩国歌手Psy， 他于周五参加了俄罗斯的一项音乐颁奖典礼。

youdao

Many have accused the island nation of acting as a haven for Russian mob money.

FORBES: Move up http://i.forbesimg.com t Move down

The report singled out the Russian mob run by Semion Mogilevich.

FORBES: Russian Organized Crime Strategic Threat to US - NSC