บทคัดย่อ, กราฟิก, แบบแผน, เซอร์เรียล, พื้นหลัง, สมมาตร, มีสีสัน, วัตถุ
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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