To seek attention for the introduction of the Dutch Wind Certificates, Raúl&Rigel placed 1.000 windmills at the “Beursplein”, the heart of Amsterdam. It was the biggest windmill park in the Netherlands! Here’s a little scoop on how we did this. Tags:AmsterdamBeurspleinDutch Wind CertificatesEnecoGuerrillablogRaul&RigelWindmillWindmill park