crimea has always been russian. reporter: for the prime minister it s a done deal. if i want to come back here i need a russian visa? yes, you should do it. reporter: because ukrainian visa wents visa won t be enough. yes. crimea is russia. reporter: this activist who poos moscow politics showed us the billboard outside hf his apartment building where someone put up this poster warning neighbors a traitor is living among you. activists like you have been beaten here and intimidated certainly. do you think you lost? did russia win? crimea lost and so did ukraine, but i ll continue to fight against putin s regimen, he said. celebrations are under way. a welcome to russia party for