Design Boom is holding a "Green Life" competition, for which they're soliciting revolutionary architecture and design proposals with an environmental theme.One such proposal comes from a slew of crafty Germans, Oliver Storz, Ferdinand Ludwig, and Hannes Schwertfeger, who've incorporated living trees into their structures. Their "Botany Building" pairs the elasticity of living trees with the strength of steel and concrete, and it looks stunning.

More photos here. Via Inhabitat.