มยูข, fractals, ศูนย์, เบา, มีศูนย์กลางร่วมกัน, สีเขียว, พื้นหลัง, การจัดการ, เนื้อผ้า, บทคัดย่อ, บั้งยศ
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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