—在“阿蒂”的挖掘地点埃塞俄比亚阿法尔裂谷，曾发现过许多远古动植物化石。
Ardi was found in Ethiopia's Afar Rift, where many fossils of ancient plants and animals have been discovered.
同样地海狸建造堤坝，赤点石斑鱼挖掘和维护明显的坑洞，这些坑洞的石质表面成为珊瑚虫，海绵动物和其他海洋生物聚集的地点。
In the same way beavers construct DAMS, red grouper excavate and maintain distinct holes whose rocky surfaces provide a place for coral, sponges and other Marine life to congregate.
探险队在那个地点做了记号，读取了全球定位系统测定的那个地点所在位置，并于去年8月返回该地点挖掘遗骸。
The team marked the site, took a GPS reading of the location, and returned last August to excavate the remains.
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