TY - SER AU - Martini, Florian TI - High-Altitude Harvest KW - POWER GRIDS KW - OFFSHORE WIND N1 - Siemens is building the world's largest offshore wind farm 30 kilometers from the Danish coast. The project is both a technical and logistical challenge because the individual components are huge, weigh dozens of tons, and must operate flawlessly in the windy North Sea-even during a hurricane. What's more, they have to do all this for 20 years or more ER -