ต้นไม้, ป่า, นิเวศวิทยา, แสงแดด, สิ่งแวดล้อม, ภูมิประเทศ
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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