They're Australian farm windmills https://media.istockphoto.com/id/959193466/photo/australian-windmill.jpg?s=612x612&w=0&k=20&c=anoV7D6psxvwSlY7eUsKsryXHzk8di1G

They're Australian farm windmills https://media.istockphoto.com/id/959193466/photo/australian-windmill.jpg?s=612x612&w=0&k=20&c=anoV7D6psxvwSlY7eUsKsryXHzk8di1Ge37KwbcoRH8= https://media.istockphoto.com/id/959193466/photo/australian-... (But yeah, some got a generator attached...)