Figures & data
Figure 1. Randstad and the Rhine-Ruhr (approximated) in the European context (modifications by authors) (ESPON & BBSR, Citation2014).
![Figure 1. Randstad and the Rhine-Ruhr (approximated) in the European context (modifications by authors) (ESPON & BBSR, Citation2014).](/cms/asset/85f50b91-5001-4387-9ba0-75bdf77c04db/ceps_a_1228832_f0001_c.jpg)
Figure 2. The approximate position of the Randstad in the Netherlands (upper left) and the main cities comprising the Randstad (right) (Meijers, Citation2005).
![Figure 2. The approximate position of the Randstad in the Netherlands (upper left) and the main cities comprising the Randstad (right) (Meijers, Citation2005).](/cms/asset/150849b0-d0bf-40d3-aa9c-39f2fee96575/ceps_a_1228832_f0002_b.gif)
Figure 3. North Rhine-Westphalia in Germany (lower left), the Rhine-Ruhr in NRW (upper left) and the Rhine-Ruhr with its main cities and district administrations (right) (Grier, Citation2002; Wikimedia, Citation2015) (modifications by the authors).
![Figure 3. North Rhine-Westphalia in Germany (lower left), the Rhine-Ruhr in NRW (upper left) and the Rhine-Ruhr with its main cities and district administrations (right) (Grier, Citation2002; Wikimedia, Citation2015) (modifications by the authors).](/cms/asset/167953c2-d8fd-402c-95e6-9c79848c95c0/ceps_a_1228832_f0003_c.jpg)