The series first aired in April 2007 with a prologue followed by the first episode on consecutive nights.
The programs come out at irregular intervals, the first were in April, as mentioned, May, and June; the fourth is scheduled for August.
Topics covered include China's ageing society and problems with water shortages.
The series' kanji name is a keyword detectable by China's internet control system.
This article about a television show originating in Japan is a stub.