As Ukraine denies any involvement in blowing up the Nord Stream 2 pipeline, we examine what might have happened. Plus: protests in Tbilisi turn violent after the government backs a new law on foreign agents; we celebrate the work of David Chipperfield, this year’s winner of the Pritzker prize, and we shine a light on the cinema of Bhutan. 


From Milan: Salone highlights, interviews and a daily running guide. More info.