Convention Center Puts Up $50,000 for Design Contest

A rendering of MIMMI, which is being installed at Minneapolis Convention Center.

A cloud is coming over Minneapolis — at least, that’s the plan of the winners for the first Creative City Challenge. The contest invited architects and designers to come up with an innovative, interactive and eco-friendly temporary installation for the plaza at Minneapolis Convention Center.

The plaza is a green space at the convention center that, according to MCC Executive Director Jeff John...