three ladies exploring a cave

group three women explorer speleologist torch headtorch naturalist anthropologist cave limestone mountain underground inside ancient speleology geologic dark mineral tunnel cavern geology nature hole old stone wall rough darkness corridor view mysterious rock formation prehistoric exploration speleotheme drip boulders shapes earth fossil jurassic flowstone speleogens moonmilk mondmilch ladies exploring backpack head torches adventure person people clothing walking caving recreation man climbing sports footwear woman face