Mystical Stone Cave Escape

The search for the source of eternal life have brought you to the mountains, full of various caves. but you are interested in only one cave. Its residents are called mystical cave, because there are strange things that can not be explained through science. At last you have found the cave and going you set foot on the stone block, which proved to be an activator of the trap. Exit filled up with stones, and now you need to get out.