Hikers Find Hidden Mountain Cave, What They Found Inside Left Them Speechless

Rotten eggs

The low temperature, combined with the high moisture content in the air, explained the dampness of these walls. But what added extra intrigue to this action was that the fluids on Brody’s hands smelled horrible. “Dude, this smells like rotten eggs,” Brody said with disgust. That’s sulfur,” Mike replied confidently.