and many projects show that Detroit is already becoming a new hub for urban thinking. As you walk through the Woodward Building’s louvered, labyrinthine exhibition, you’re overwhelmed by smart ideas.

Construction has resumed on the Ho Chi Minh City Planning Exhibition Center, a VND836 billion ($33 million) project in Thu Thiem new urban area of Thu Duc City, after a decade-long delay.

The Town Hall of Ushuaia, Tierra del Fuego province, extreme south of Argentina, together with the local branch of Malvinas war Veterans opened this week an exhibition under the title of ...