EXPO Pavillons: a few examples

Why did the designers choose this particular shape for Palazzo Italia?

And how were they able to reproduce a forest on the exterior of the building?

Why did the designers of Austria Pavillon entitle it "breathe"?

What does the China Pavillon resemble to?

What's the title of the Pavillon?

What does China hope to demonstrate thanks to this Pavillon?

What does the design of the Pavillon try to pursue?

How large is it?

Why is the participation of China in the EXPO so remarkable?