PARIS — It’s an art — mixing far-flung ethnic references, that is. And few can do it with the panache of Emanuel Ungaro, whose strong spring couture collection combined elements from Africa, Japan, the Mideast and elsewhere. Here, his blend of sultry harem girl and Eighties Parisienne — a sheer bowed blouse, sparkling vest and low-slung belt over diaphanous pleats. For more on fashion’s melting pot, see pages 10 and 11.