Leo Barraclough Senior International CorrespondentRomania has chosen Alexander Nanau’s documentary “Collective” (pictured) to be its official entry in the International Feature Film category of the 93rd Academy Awards, while Ecuador has selected Paul Venegas’ “Emptiness” and Algeria has entered Djaâfar Gacem’s “Héliopolis.”Meanwhile, Bosnia and Herzegovina has confirmed that Jasmila Zbanic’s “Quo Vadis, Aida?” will represent the country in the contest, as reported last week by Variety.The