By Catherine Shaw The Herzog & de Meuron-designed M+ museum of visual culture might still be a construction site, scheduled to open in 2019, but that hasn’t stopped its curators from staging a host of mobile exhibitions, including its most recent and ambitious show, M+ Sigg Collection: Four Decades of Chinese Contemporary Art. Featuring 80 contemporary Chinese works by 50 artists, including painting, sculpture, installation and photography, it was drawn from a collection of 1,510 works donated by the Swiss collector Uli Sigg. The exhibition, shown at ArtisTree in Taikoo Place, and previously at the Bildmuseet at Umeå University, Sweden in 2014 and at the Whitworth Art Gallery, Manchester in 2015, offered a new perspective on one of the country’s most transformative periods, from the end of the Cultural Revolution until 2012. Divided into three periods approximating decades – 1974-89, 1990-99 and 2000-12 – it also demonstrated the benefits of working on the space with creative designers. M+ senior curator Pi Li and the founders of Beau Architects Gilles Vanderstocken and Charlotte Lafont-Hugo talk to …