Đăng bởi Hoàng Oanh
"chau-nam-cuc"
"nguyen-nhan-chinh-dan-den-bien-doi-khi-hau-toan-cau"
"bang-tan-o-chau-nam-cuc"
"hau-qua-bang-tan-o-chau-nam-cuc"
"muc-nuoc-bien-dang-va-anh-huong-toan-cau"