· This edition offers us a close-up view of the geography, infrastructure and public space transformation in the Madrid Río project. · It points out the importance of the urban transformation of the Manzanares River, which, up to date, is one of the best leisure, entertainment and physical recreation center. · It is structured into six sections that show the different ways to integrate the river in the city center. It is compared with similar cases such as those of Berlin, Seoul and Boston. · It includes several charts, maps and stunning color photographs that offer us a spectacular view of the river?s metamorphosis as we discover how this project has changed the city and the life of its citizens.A comienzos del año 2004 la ciudad de Madrid pudo contemplar cómo una violenta herida se abría junto al pequeño río que la atraviesa de norte a sur. Una cicatriz vacía apareció en su centro cuando la llamada autopista M-30, que corría paralela a las orillas fluviales, quedó totalmente enterrada. Este gran espacio lineal, libre de construcciones, se desveló como paisaje potencial, inédito y prometedor. D