a worker hands out a toilet paper while changing the roll for a facial recognition toilet paper dispenser at the Temple of Heaven park in Beijing, China. At Beijing's 600-year-old Temple of Heaven, administrators recognized the need to stock the public bathrooms with toilet paper, a requirement for obtaining a top rating from the National Tourism Authority. But they needed a means of preventing patrons from stripping them bare for personal use - hence the introduction of new technology that dispenses just one 60-centimeter (2-foot) section of paper every nine minutes following a face scan. (AP Photo/Ng Han Guan)

Investment and education key to clean toilets

Despite the billions of yuan spent, there are still regular complaints about facilities that are dirty, poorly maintained and reeking with foul odours

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a worker hands out a toilet paper while changing the roll for a facial recognition toilet paper dispenser at the Temple of Heaven park in Beijing, China. At Beijing's 600-year-old Temple of Heaven, administrators recognized the need to stock the public bathrooms with toilet paper, a requirement for obtaining a top rating from the National Tourism Authority. But they needed a means of preventing patrons from stripping them bare for personal use - hence the introduction of new technology that dispenses just one 60-centimeter (2-foot) section of paper every nine minutes following a face scan. (AP Photo/Ng Han Guan)
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