Sewage sludge processing tanks are seen at a Yokohama municipal water reclamation center in the city's Tsurumi Ward on Aug.... One recent volume titled" Unchi no Yukue," or" where the poop goes," inspired a sudden intertest in exactly what happens to our waste, and then a visit to a Yokohama sewage treatment center, where all that smelly stuff is transformed into some of the basic resources of everyday life.... If you lined all the sewage pipes in Yokohama up end-to-end, you'd just about get t