Riverbanks show the first hints of fall. Some villagers are piling stone blocks to prevent further erosion. Others plough, fish, or fix. Passing steamer In the engine room, a stoker shovels coal. Down the river is a tiny town. A rowing squad prepares for races. Some researchers are microscopeing water microorganisms. A crew paints and launches a new barge. When he spots a racing boat, a child leaves his sandcastle and sprints along the river.