Early - Precambrian rocks are widely exposed in Dunhuang - Beishan area, GansuProvince.
甘肃敦煌-北山地区广泛出露早前寒武纪岩石。
International singers, bands and performers will come together at Beishan Hall for this extra special occasion.
来自世界各地的歌手，乐队和演员会为了这个极其特殊的时机聚集在北山会馆。
Volcanic rocks of early Carboniferous Baishan Formation were widely distributed in the Beishan area of Gansu Province.
早石炭世白山组火山岩是甘肃北山地区分布最为广泛的晚古生代火山岩。
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