Paris, France - On Rue Oberkampf, 300 metres from Le Bataclan, a man walks out of a florist's shop, with a white rose in his hand, and towards the nearby cordon of police who surround the concert hall that was the scene of one of the attacks that struck Paris on Friday evening.

Inside the shop, the florist stands behind the counter. A tall, skinny man, he seems to go about his work mechanically.

"Selling roses is our duty right now," he says, quietly. "This is why I opened my shop this morning. And we need to keep it running."

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