they came across whole galleries filled with the most unusual formations, 他们发现了成片叹为观止的地貌

327. Something else was responsible.
     而是因为其它的作用力
328. The only water Lechuguilla has are these wonderfully still clear pools.
     龙舌兰洞中唯一的水 来自这些平静清澈的水塘
329. As the explorers went deeper into the cave,
     随着探险家们深入洞穴
330. they came across whole galleries filled with the most unusual formations,
     他们发现了成片叹为观止的地貌
331. like these 5-metre cones, frosted with the most delicate crystals.
     例如这些5米高的石锥 上面布满了雪霜一样的松脆结晶
332. It was Lechuguilla's gypsum crystals
     龙舌兰洞的石膏结晶群
333. that made scientists question how these caverns were formed.
     使科学家们产生了 这个巨洞如何形成的疑问

来自《行星地球 第一季 第四集 Planet Earth S01E04 洞穴》第 330 行