The International Building Exhibitions (IBA) has been an instrument of urban development in Germany for over 100 years. Since 2000, IBA has worked to restructure the former coal-mining region of Lusatia, also known as Fürst-Pückler-Land, located between Berlin and Dresden. This publication presents 30 projects proposing structural change in the region and elucidates the working methods and philosophy of this extraordinary undertaking.