แม่น้ำ, กระแส, โขดหิน, ลำธาร, น้ำเชี่ยว, น้ำตก, ซ้อน, น้ำไหล, ธรรมชาติ, น้ำ, สิ่งแวดล้อม
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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