I took this photo in Lyon a couple of days ago. If you are interested, you can try to find out the following -
1. What is written on the big character? How are the small characters arranged?
2. What characters (traditional / simplified) are used on the poster?
Side story about a scam - outside the Cathedral Notre Dame in Lyon, different young people asked me to sign on a form with a big UNICEF heading. They did not speak to me, but just held up that signature form to my face. It appeared that they were asking for support for the cause of UNICEF. But then I noticed that their fingers covered the last column of the form, which was for the signers to write down the amount of money they would give. If that was legitimate they would not need to play such a trick. I had been fooled by this trick once many years ago in Paris.