Microsoft founder Bill Gates speaks during the opening ceremony of the Reinvented Toilet Expo showcasing sewerless sanitation technology in Beijing, China November 6, 2018. REUTERS/Thomas Peter
BEIJING: US billionaire philanthropist Bill Gates unveiled on Tuesday in Beijing a futuristic toilet that doesn't need water or sewers and uses chemicals to turn human waste into fertiliser.
The Microsoft Corp co-founder, who a day earlier was one of the high profile guests at a major trade event in Shanghai, also lauded the globalised and free trade systems that made the toilet technology possible.
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