Worlds First Two Level Wind Turbine - 6 blade 2 Level VAWT
Its the right-most VAWT on the picture below:
Closer look at our four blade vawt ANEW-S1m
View from the the height of the second level of the wind turbine
VIdeo of the three 16, 20 and 24kW VAWT turbines spinning together is awsome!