A stalagmite is below a stalactite and they both grow, eventually to meet.

石笋在钟乳石下面，它们二者都在增长，最终会合。

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Once a stalactite and a stalagmite are connected, then it is called a column.

当钟乳石与石笋连在一起，称之为圆柱。

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Sediments in karst caves here, such as stalagmite, stalactite and flowstone, could provide some new evidences for investigation of the neotectonic movement, especially earthquake in this area.

因此，洞穴沉积物（包括石笋、石钟乳和流石等）可望为川东北地区的新构造活动尤其是地震事件研究提供一种新的依据。

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In December 2013, Dutch wakeboarder and Red Bull-sponsored athlete Duncan Zuur had the rare opportunity to wakeboard through the warm waters of the stalactite- and stalagmite-filled Jeita Grotto.

BBC: Rare wakeboarding footage in the wondrous Jeita Grotto