Bảo vệ vùng khí hậu, mặt trời, vui lòng, Môi trường, khí hậu thay đổi, khí hậu, bảo vệ khí hậu, bảo vệ môi trương, bảo tồn thiên nhiên, Sự bền vững, năng lượng
Public Domain
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