Full tilt: giant offshore wind farm opens in North Sea

Gemini windpark off the coast of the Netherlands will eventually meet the energy needs of about 1.5 million people, according to its owners

Dutch officials have opened what is being billed as one of the world's largest offshore wind farms, with 150 turbines spinning far out in the North Sea.

Over the next 15 years the Gemini windpark, which lies some 85km (53 miles) off the northern coast of the Netherlands, will meet the energy needs of about 1.5 million people.