It seems like the pettiest of powder room problems, but apparently toilet paper theft has gotten so bad at the Temple of Heaven Park in Beijing, authorities have installed facial recognition software in the stalls.
원문출처 : http://www.cnn.com/2017/03/20/world/china-toilet-paper-thieves-face-recognition-trnd/index.html
원문출처 : http://www.cnn.com/2017/03/20/world/china-toilet-paper-thieves-face-recognition-trnd/index.html