French illustrator Jean Jullien's unifying symbol for peace shared worldwide

Featured on cnn.com

Before the names and faces of the victims of Friday's terrorist attack in Paris emerged, there was one unifying symbol.

A simple image shared by millions across social media: the combination of a peace sign and the Eiffel Tower.

Jean Jullien, the 32-year-old French graphic designer behind the image, posted it onto his Instagram and Twitter on Friday, soon after a series of terror attacks in the French capital -- since claimed by ISIS -- left 129 people dead and 352 injured.

"It was the most spontaneous thing. I heard the news on the radio, and I had this heartfelt reaction. I wanted to draw something that could symbolize peace and solidarity, and I wanted something with the context of Paris," Jullien tells CNN.

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