it is "черника" plants on the picture. At least from personal experience I would say so
no, it is not currant, completely different berry. And it only grows in the wild - in latin Rúbus saxátilis. In Finnish I guess it is called "Lillukka" or "Stenbär" in Swedish
Pretty much
BTW this is how NA blueberry plant looks
http://upload.wikimedia.org/wikipedi...mn_foliage.JPG