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Aerba Tower fossil
阿尔伯塔是加拿大一个地名,因为这里发现了大量恐龙化石而闻名于世.
科学家们在这个地方发现的恐龙化石数量令人震惊.从已经掌握的情况看,亿万年前,这个现在被称做阿尔伯塔荒原的地方似乎那时的恐龙把这当作迁徙的中转站.后来人们把在这发现的恐龙的化石称为
阿尔伯塔化石