Wind energy is energy that is gained by converting the kinetic energy of air (wind) into a usable form. In the past, wind energy from wind turbines was directly converted into mechanical labour, for example to grind grain or pump water. Nowadays, wind energy is mainly known as the electricity generated by a wind turbine, often in a wind farm.
Kris Christiaens is a professional aviation photographer who always tries to portray the power, manoeuvrability and history of aircraft and helicopters in the most original and impressive way possible... Read more…