quiet, Tag

“This year's RHS show will focus on the themes of ‘Grow, inspire and escape’ and the treehouse will reinforce these ideas,” says Blue Forest Director, Simon Payne...

Picture from here. Now take into account that the sound of the wind blowing (wind turbines only make noise when the wind is blowing), and you will see that they are almost silent. At 500 meters (0.3 miles) away, that sound...