Screaming or howling

Me and my Friends were hanging out in <PERSON> in side of an old market Town. We were running around trying to find something to do or a game to play. We decided to play Tag like the little kids we are (Were actually 14-15yrs old).I was running behind a big group of my Friends while being chased by the Tagger. A couple feet away I noticed 5 of my Friends falling in a weird invisible hole, it was not actually invisible but it was a huge pool of what looked like quicksand and it sucked my friends right through it. I panicked and grabbed my other 6 friends including me and tried to dig through the sand but once again another one of my friends fell through. There is now only 5 of us not including me and we run to find an adult. We run in to what is now another Sand hole and 2 of my friends fall through we panicked and i yelled for them. I threw a rope that was inside someone is yard down the hole and told them to grab on. I felt a tug and pulled up but what was on the end of the rope was what looked like a neighborhood Stray dog. I yelled for them again and heard a voice. I jumped in the hole with a rope tied around me and told my other 3 friends to hold on. I saw all my friends and told them to climb up the rope which my friends had tied to a tree. They climbed up one by one slowly, and while the last person was climbing the rope i saw in the distance down the canal of the hole a Huge worm about 3 feet tall and who knows how long. I screamed and told them to pull me out and they pulled me out a second before the worm could reach me. We plugged the two holes we found with rocks that were scattered everywhere. One of my friends came running over to me saying "You Have to come see this", I followed my friend and what we found was a whole valley full of these barely visible holes. I took a couple steps back in disbelief and then 'I woke Up'