As you walk along the corridor of a redesigned building in Hiroshima's Naka Ward, looking at the huge machines through the stylish glass walls, you'd be forgiven for thinking you were in a museum, admiring works of modern art. But the reconstructed building is none other than Hiroshima City Naka Incineration Plant, a waste disposal facility completed in spring 2004. The plant, which faces the Seto Inland Sea, was designed by Yoshio Taniguchi, one of the nation's leading architects, whose work includes renovation of the Museum of Modern Art in New York and the Toyota Municipal Museum of Art in...