สีลม, กังหันลม, กังหัน, ตะไล, พลังงาน, พลังงานลม, ท้องฟ้า, ผลิตกระแสไฟฟ้า, ภูมิประเทศ, เมฆ, ต้นไม้
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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