In the park complex Temple of Heaven in Beijing, the situation is the fact that the toilet paper ends quickly arose regularly
The fact is that customers of the complex steal toilet paper. Therefore, the leadership Temple of Heaven decided to use high-tech tools that will monitor the process.

In the complex devays which called Shoulian Zhynenh is now used. They emit 60 cm toilet paper only after the client look at the dispenser during three seconds.

Note that if the visitor the Temple of Heaven have an upset stomach, it will be a problem, because after facial recognition once, Shoulian Zhineng give next 60 cm toilet paper just after 9 minutes.

The cost of the device is about $ 720. Probably management believes that its use will be profitable.