"Explaining in the view of Salafist Islam why hundreds of women found themselves groped, sexually assaulted and in some cases raped by gangs of migrant men in cities across Germany the Imam said: "the events of New Year's Eve were the girls own fault, because they were half naked and wearing perfume. It is not surprising the men wanted to attack them. [Dressing like that] is like adding fuel to the fire".
http://www.breitbart.com/london/2016/01/19/salafist-cologne-imam-at-terror-mosque-girls-were-raped-because-they-were-half-naked-and-wore-perfume/
IOW, we are not going to change to assimilate to your culture, you must bow to our, er, culture.