หอพลังงาน, เสา, สายเคเบิ้ล, ท้องฟ้า, เมฆ, เสาไฟฟ้า, หอส่งสัญญาณ, ไฟฟ้า, ปัจจุบัน, แหล่งจ่ายไฟ, พลังงาน
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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