Covering an area of 350 square kilometers it is the largest extant intact Karstlimestone formation.
石林面积350平方公里，是地球上现存规模最大、最为完整的喀斯特地貌景观。
2
The air-driven down-hole hammer drilling is still very effective and speedy in well drilling in karstlimestone area.
在水文水井中，气动潜孔锤钻进仍可发挥它高效率、高速度的作用。
3
Much of the filming took place in Hawaii, but Pandora's "Hallelujah Mountains" are said to be inspired by the karstlimestone formations found in the Anhui province of eastern China.