After exiting 101, go to Bomb Town and then keep walking east. You will see the river just past the supermarket. . . Okay, let’s jump! Take advantage of our strong swimmers. . . Swim along the river until the map is almost at the end and turn to the east, and then you will see a large ship. . . That is the legendary river city. After entering, go to the laboratory and open until there is a doll on the table with many radishes. That is to increase intelligence