 In 2011 the works created in collaboration with Ai Weiwei were shown as part of the exhibition Ai Weiwei – Art / Architecture at Kunsthaus Bregenz in Austria.The German Architecture Museum (DAM) in Frankfurt am Main showed "Labels 2" in 2012 as part of the exhibition The 23 Best Buildings.HHF was invited to the 13th, 14th and 16th Venice Biennale of Architecture, and the Chicago Architecture Biennial 2017.