A plane apparently drew the Peace for Paris picture this afternoon over Lyon to pay tribute to the 129 terror attack victims.
The painting, which merges the outline of the iconic Eiffel Tower with the CND peace symbol, was spotted in the blue sky by several Twitter users.
They say the image appeared around 1.30pm UK time.
The symbol has become a beacon of hope following Friday’s terrorist atrocities .
Other Twitter users in the Lyon area spotted the image, which is formed by expelling special smoke during flight to create writing that’s readable by someone on the ground.
Delphine Bourit, a graphic designer based in Lyon, said that the city was looking for peace in the sky.
French illustrator Jean Jullien has spoken about creating the stark image after he heard the news about the Paris attacks on Friday night. He told NPR that he created the image as a response to the terror attacks but that he didn’t want fame because of it.
“You know, it’s putting me in a spotlight that I don’t necessarily want to be [in], because I don’t want to benefit from this exposure, in the sense that it’s a tragedy first and foremost,” he added.
Monday morning saw Europe take part in a minute’s silence to remember the victims of the attacks and their families . In retaliation to the barbaric attacks, France has dropped 20 bombs on an ISIS stronghold in Syria overnight as President Hollande vowed to destroy the terrorist group.