The windmill is a structure built to exploit the energy of the wind and through the use of blades transform it into mechanical energy using it to grind cereals. An old Chinese saying goes: When the wind blows strongly, some try to build walls, others build windmills. These windy days led me to rediscover the quiet greatness of windmills. Below you can download some wonderful Windmill wallpapers for your Synology NAS DSM 7 desktop.