A photo of a piece of graffiti that's been widely shared in Iran
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#BBCtrending radio: Listen to our latest show

Why did this image of a woman holding high a bottle of washing up liquid in Iran's capital, Tehran, go viral? We find out on the latest BBC Trending radio.

And love on a train - we speak to the 22-year-old student Iacopo Melio, the man behind the hashtag #VorreiPrendereilTreno or "I Would Like to Take the Train". He's calling for better access to public transport for people with disabilities in Italy.

Presented by Mukul Devichand

We are on BBC World Service radio at 10:30 GMT on Saturday - and you can catch us anytime you like by downloading our free podcast