Watch this great video by Bloomberg.

Charles Masson lives restaurants, from legendary years spent at New York’s La Grenouille to his current directorship of Chevalier at the new Baccarat Hotel. Here he reveals the five ingredients every great dining room needs to succeed. (video by Zach Goldstein, Paul Cavrel)

#2 on the list is the importance of ambience. Mason states "...crucial is lighting. Lighting is the most imperceptible detail that IF the lighting is great, you don't know it. But if the lighting is awful, you sure know it."