Sydney and Paris —Europe’s largest commercial property firm Unibail-Rodamco is set to acquire U.S. and U.K. mall owner Westfield Corp. (ASX: WFD) for $15.7 billion. Paris-based Unibail-Rodamco owns and operates a portfolio of 69 shopping centers across major European cities including Paris, Madrid, Stockholm, Amsterdam, Munich, Vienna, Warsaw and Prague. Sydney-based Westfield operates 35 malls