What is one common characteristic shared by the Ge...

Câu hỏi: What is one common characteristic shared by the Genzyme Center of Cambridge and the project in Vauban, Germany?

A. Both took advantage of new insulation technology, which cuts down on construction costs.

B. Both were built out of entirely recycled materials instead of conventional ones.

C. Both are housing complexes with special, non-polluting heating systems.

D. Both were built based on green building principles, which reduces energy use considerably.