แม่น้ำ, ธรรมชาติ, การท่องเที่ยว, การสำรวจ, ป่า, น้ำ, สีเขียว, ต้นไม้, หิน, ภูมิประเทศ, ฤดูร้อน
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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