The lack of access to a decent toilet is no joke for a third of the world’s people, but a matter of life and death.
About 2.5 billion people do not have access to adequate sanitation, the United Nations said, and more than 1 billion practice open defecation – a problem that contributes to countess deaths from preventable diseases.
Mr. Wu sees his toilets as his personal contribution to China’s rapid development.
“To see how a country’s economy and civilization are advancing, you have to look at the things underneath,” Mr. Wu says. “If a city looks beautiful, but their public toilets are dirty, that means the city belongs only to the rich.”