"Grand-messe" is a work that has developed over several years in the halls of Palexpo Geneva. However, it represents all fairs and salons worldwide. The images tell stories that only these types of events can create. Bizarre, surprising, and full of humor. The fairs attract more and more people year after year. It is a social phenomenon, the desire to find everything one is looking for in one place. There are encounters of a very special kind that can be discovered in this book.