At 24, Olga Goreglyad is a veteran of society balls around Europe but her ambition will not be fulfilled until she dances on Thursday night as a debutante at Vienna's Opera Ball - something celebrity guest Kim Kardashian will not be doing.
Almost every social group and profession in Austria, from confectioners to firefighters and pharmacists to refugees, holds its own ball, but the Opera Ball is the most elite, with a presidential opening and top-class music and ballet.
