As the Boeing aircraft taxied along the runway at Kastrup Airport in Copenhagen, bringing my more than three-year tenure as Ambassador to a close, I gazed through the window, trying to take in one last view of the giant wind turbines off the Baltic Sea coast. Three years and four months may not be a particularly long period in the career of a professional diplomat, but they constituted a chapter filled with profound impressions, invaluable lessons and warm affection for Denmark and its people.