The use of wood in multi-storey buildings is an art form almost completely buried a hundred years ago. Reinforced concrete structures became the norm worldwide. In recent years, however, the sustainability debate has brought a renaissance to wood and an interest in large, urban, wooden structures has awakened. Shigeru Ban, well-known for his use of paper and paperboard, has built an office building in Zurich made entirely of wood, or to be more precise 2,000 m3 of Austrian spruce.

Pictures and more details can be found here: http://www.arcspace.com/features/shigeru-ban/tamedia-office-building/