สีลม, สนาม, เนินเขา, ภูเขา, กังหันลม, ฟาร์มกังหันลม, อำนาจ, พลังงาน, พลังงานสะอาด, ไฟฟ้า, ลม
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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