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There are more than 30 excavated tombs here .

目前在这里已经挖掘出土超过30座坟墓。

But the scientists focused this particular study on the excavated food .

但是科学家把此次特殊研究工作的重点放在被挖掘的食物上。

Investigations showed that excavated dirt piled next to the building may have caused the collapse .

调查称怀疑倒塌是由于挖掘出的散土堆在建筑附近。

Surveys of the site have shown that the site was excavated in the 1980s to such a depth that no tombs or other historical artefacts survived .

对该地的调查显示，这里在20世纪80年代挖掘过深，古墓和其它历史文物都不复存在了。

A curator tells me they once belonged to high-ranking members of an early nomadic community , and had been excavated from an ancient burial ground in northern tuva .

一位馆长告诉我，这些展出品原来的主人都来自地位显赫的早期游牧家族，是在图瓦北部的一个古代墓地中挖掘出来的。