Cologne Mayor's 'code of conduct' ridiculed and other trends of the week

Germans ridicule the Cologne Mayor's safety advice, Iranians poke fun at their strained diplomatic relationships.

All that and more in BBC Trending's Trends Of The Week. You can also listen to our radio programme here.

Produced by Jonathan Griffin

Picture credits: AFP / Getty, @Lasersushi- Twitter, @Zuschoen-Twitter, @Lutzibub - Twitter, EPA, @IrmaVanDueren - Twitter, BBC, @KazemiAhmadReza, BBC, French Fried TV.

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