Shanghai toilet will alert staff if you take longer than 15 minutes https://t.co/Se3WJCIeew via @scmpnews https://t.co/V9VrsM5858

Shanghai toilet will alert staff if you take longer than 15 minutes https://t.co/Se3WJCIeew via @scmpnews pic.twitter.com/V9VrsM5858

— Flush This (@flushthis) October 20, 2019

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