Most of the team dropped their backpacks and slipped into a crack in the crevice wall... but , trying to enter

Most of the team dropped their backpacks and slipped into a crack in the crevice wall... but , trying to enter last, couldn't fit in no matter how hard she tried! Swearing profusely, she laid prone behind the huge boulder that covered the entrance to the cave. We all held our breath... The worm was so close, we could see its dull, tiny eyes. Only the giant beast's heavy breathing and the hissing sound of sand dissolving as acid dropped onto it broke the oppressive silence. The monster swayed its head back and forth, seeking, until it hit its nose on the boulder was hiding behind...