A French firefighter is seen on site of the fire that broke-out overnight at the Cite des Sciences et...
A French firefighter of Paris Fire Brigade (BSPP) is seen on site of the fire that broke-out overnight at the Cite des Sciences et Industries Museum at La Villette, in Paris, France, August 20, 2015. More than 10,000 square meters were hit by the fire that started in an area under construction. REUTERS/Christian Hartmann