That smelly, pale yellow liquid that people flush down the toilet every day is an industrial fertilizer, a diagnostic tool, a medicine, a renewable energy resource; it is an inexhaustible substance that is produced daily in huge quantities. This is the golden story of urine.
Hyppo Audouy
as Himself - Narrator (voice)
Stéphane Chassagne
as Himself - Urologist
Martin Knight
as Himself - Bioengineer
Steven Soifer
as Himself - Psychologist
Sally Magnusson
as Herself - Writer
Martin Lara
as Himself - Urotherapist
Wu Yunhua
as Himself - Therapist
Ximin Du
as Himself - Urotherapist
Duaqing Pei
as Himself - Researcher
Shaker Mousa
as Himself - Researcher
Scott Chen
as Himself - Ecological Farmer
Jes Thomsen
as Himself - Greentech Director
