>> reporter: so boulet and bengalia did what they do best: she began to write, and he began to draw. >> ( translated ): i didn't want something too aggressive. i didn't want images of the eiffel tower broken or bloodied, but i wanted to show the pain. i think that's the feeling we all had. we're a very diverse society. i wanted to show black people, arabs, white people, asians, all the nationalities. that was really important. >> reporter: in just 24 hours, boulet and benaglia produced a two-page, free-to-download version of their magazine. since they posted it online a week ago, the website has had nearly two million visitors. >> ( translated ): the first drawing was about compassion and sadness. the second was more about revolt or resistance, and then it ends with the word "freedom." freedom is an important word. it shows to children that you can't give up, you have to protect yourself with this word and with this concept. these are concepts that are not easy to understand for kids, and sometimes a drawing is easier to understand than words. >> reporter: child psychologist cecile v