Notes

32 pages
colour illustrations.
Contents: Down in the dumps -- Trash timeline -- Trash today -- Trash and the environment.
Summary: Ever wonder how the sewer system works? Look no further! Discover the story behind the pipes beneath our feet. From facts on the first plumbing systems to information about how wastewater gets treated and cleaned. Readers will learn about why we need sanitation and the journey our waste and used water takes through the pipes.
Story of sanitation.