Quietrevolution vertical axis wind turbine operates on the headquarters of ETEC GmbH in Essen, Germany, on Wednesday, Dec. 16, 2009. Innogy is RWE...
view of griessee (gries lake) and gries dam with four wind turbines, lepontine alps, switzerland - 垂軸風力發電機 個照片及圖片檔瑞士
Windmills at dusk in Ponta do Sal on January 07, 2017 in Cascais, Portugal. Vessels embark harbor pilots off Cascais.
Windmills at dusk in Ponta do Sal on January 07, 2017 in Cascais, Portugal. Vessels embark harbor pilots off Cascais.