From the Super Mario Wiki, the Mario encyclopediaJump to navigationJump to search
Retrieved from "https://www.mariowiki.com/index.php?title=Sewer_B&oldid=3657141"
At the south end, there is a platform that rises when a chain is pulled. Luigi or Gooigi can pull on a chain, while the other rides the platform to where they can vacuum to get the green gem. The water must be drained before doing this.