India, Sept. 18 -- Paying to use a public toilet is not unusual in many countries. But some public bathrooms in China have now gone a step further by making people watch an advertisement before they can get toilet paper.

A video shared by China Insider on Instagram shows how the system works. A person has to scan a QR code on the toilet roll dispenser, watch a short advertisement, and only then does the machine release a few squares of paper. If someone doesn't want to watch the ad, or if the small amount of paper is not enough, they can pay 0.5 RMB (around Rs.6) to skip the ads and get more tissue.

According to a report by Metro, authorities say the move is aimed at cutting down waste. They even suggested that some people were taking l...