บทคัดย่อ, พื้นหลัง, ตะไคร่น้ำ, สีเขียว, ธาตุ, หน้า, เครื่องประดับ, งานฝีมือ, ศิลปะ
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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