Renzo Piano, whose architecture firm will lead the design of Kum & Go LC’s headquarters in downtown Des Moines, returns to his hometown of Genoa, Italy, once a month, where his workshop overlooks the Mediterranean Sea, according to National Public Radio. While all attention in Greater Des Moines will be on a section of property along Grand Avenue, Piano’s observations about development in the suburbs of Europe offers an interesting glimpse of how the man’s mind works. Read more Regarding more mundane matters related to Kum & Go, the company has closed the Subway restaurant it acquired last year on the stretch along the north side of Grand Avenue between 14th and 16th streets where it has acquired property for its downtown campus. Kum & Go paid $1.7 million for the Subway property, the first of more than $17 million in acquisitions. A spokeswoman said the building might be demolished this summer.