Europe's Architecture Trendsetters

As economic and environmental factors have a greater influence on the design process, "'we as architects must become activists' says Enric Ruiz-Geli, founding principal of Cloud9 architects."

"'It's not about square meters, or budget, or how big your building is, but about how deep your ideas are, your research, your technology-and how social is the result,' Mr. Ruiz-Geli says."

The Wall Street Journal's Natalia Rachlin reported and wrote this story.