ธรรมชาติ, แม่น้ำ, นก, ที่อยู่อาศัย, ภูมิหลัง, น้ำ, บทคัดย่อ, สีน้ำเงิน, แบบแผน, ภาพเงา, หลายสี
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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