It consists of the refurbishment of the whole complex of "multi-pavillon buildings" in a large business park which will become the largest in Spain. We can distinguish between 3 sub-groups with pre-existing forms which have to be maintained: the Ronda buildings - more linear in shape, but with undulating façades-, the Ebro buildings - shape like a water droplet - and the Actur building. Ronda Buildings is the only one are already built. The project is notable for its versatility, for the use of the Expo 2008 concept, for the uniqueness of the design compared to a conventional business park, and for its commitment to the environment and sustainable development. We have sought the transformation of the structures into useful and pleasant spaces overlooking the river Ebro. Starting from a structural skeleton, the project takes advantage of some of the previous installations. The grouping of volumes, with overhangs and sinuous contours, remains consistent with its role and in harmony with its essence, and projects colour and dynamism to the exterior with a play of vertical strips of different colours, depending on each group of buildings.