In Copenhagen, there's a long-term commitment to creating a well-functioning pedestrian city where all forms of movement - pedestrian, bicycles, cars, public transportation - are accommodated with equal priority.

For me, architecture is the means, not the end. It's a means of making different life forms possible.

St. Petersburg is a wonderful city. You have wonderful parks, birds singing in the trees, manatees in the water, pelicans. So it's like this little paradise on Earth.

I think architecture is rarely the product of a single ideology. It's more like it can be shaped by a really big idea. It can accommodate a lot of life forms.

Copenhagen has done a remarkable job creating streets that are focused on bicycles and pedestrians.

Architects have to become designers of eco-systems. Not just designers of beautiful facades or beautiful sculptures, but systems of economy and ecology, where we channel the flow not only of people, but also the flow of resources through our cities and buildings.