Four minutes in and I knew I had made a colossal mistake. The air started to thin, and the blackness of this cramped cave seemed to darken. I slowly tried to inch my way out of the slender pathway I initially attempted to squeeze into. My confidence and understanding dwindled as my movements confined me to an even tighter position where I could no longer move my legs or arms. Dead silence surrounded me as my body started to numb from the pressure of the constricting stone walls, and all I could feel were the wet tears coagulating in the rock beneath my cheeks.