บทคัดย่อ, เบา, พื้นหลัง, โบเก้, ใบไม้, มีสีสัน, ออกแบบ, สี, แบบแผน, ศิลปะ, เศษส่วน
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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