What was the Mississauga project?

ArchitectureMa Yansong Urban Architecturehttps://www.ted.com/talks/ma_yansong_urban_architecture_inspired_by_mountains_clouds_and_volcanoes1. What does he say about cubic space?2. What was the Mississauga project?3. Why did he incorporate a cloud format in the Lucas Museum?4. What does he say he is actually trying to create?