ช่วยด้วย, ข้อมูล, วิธีการแก้ปัญหา, เพื่อน, ความช่วยเหลือ, ด้วยกัน, มิตรภาพ
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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