终于在某天早晨，欧玛带我们走到了梅西尔高原的玄武岩山脊上。
Finally, one morning Omar led us up through the basalt ridges of the Messir Plateau.
老挝南部占巴塞省的波罗芬高原分布大面积的玄武岩。
Basalt is widely distributed in the Boloven plateau, Champasak province, the south LAOS.
老挝南部占巴塞省的波罗芬高原分布大面积的玄武岩。
Basalt is widely distributed in the Boloven plateau, Champasak province, the south LAOS.
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