alain fontaine has been running his bistro for over 20 years, and now heads an association that wantssco's protection for establishments like his. >> the bistro culture means that you can talk about anything, about the important stuff, as well as the trivial. >> but for that, the ambience must be right. and it can't be too tidy. >> my bistro has a soul. there's lots of stuff that belonged to my family here, like my father's helmet and old family photos. >> but whether the main theme is family, love, or politics, for many, the bistro on the corner is like a second home, open from early morning until late at night. >> i'm always chatting to everyone here, it's a great place to meet people. >> the bistro stands for joie de vivre. it's a place where you can unwind and simply feel good about life. >> and eat well! a steak tartare for example - at any time of day! but on the outside, the world has changed drastically. 40 years ago, there were five times as many bistros in france as today. owners are hoping that if unesco grants world heritage status to the small bistros, it might turn the t