รังสี, ส่องแสง, เบา, แสง, ไฟฉายสว่างจ้า, พลังงาน, ปัจจุบัน
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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