Mayor Rahm Emanuel welcomed the world to Chicago on 3rd October, 2015 by officially opening the inaugural Chicago Architecture Biennial (CAB), the largest international survey of contemporary architecture taking place in North America. All the selected participants will present their architectural work as part of the Biennial exhibition, which will occupy the Chicago Cultural Center, as well as additional sites across the city: Millennium Park, City Gallery in the Historic Water Tower and 72 E. Randolph. The architects given pride of place include Spain's Andres Jaque, Mexico's Tatiana Bilbao, Denmark's Bjarke Ingels and Japan's Junya Ishigami and Sou Fujimoto. At the opening weekend, visitors also enjoyed Biennial events at the Stony Island Arts Bank on the city’s South Side and other sites throughout the city including the BP Prize-winning “Chicago Horizon” Lakefront Kiosk, neighborhood parks and libraries, universities and museums.