Please answer the following question: The Berg mountains in Berg county are of a volcanic nature, very massive, few caves. The Gorge mountains in Gorge county are made of sedimentary rocks, predominantly limestone. They were exposed to water and that lead to karst lanscapes, caves, blue holes, stalactites and stalagmites. Given the paragraph above, please answer correctly the following question: Which of the two mountains had more blue holes?
A:
Gorge