"We came up with the idea of creating a topography on the outside of the building, making the building into a landscape," Gang says.  Photo 7 of 20 in The 9 Most Influential Buildings of the Decade from Architecture Inspiration of the Day: Aqua Tower in Chicago

The 9 Most Influential Buildings of the Decade7/20

"We came up with the idea of creating a topography on the outside of the building, making the building into a landscape," Gang says.