Muammer Yilmaz Iran, Pakistan, India, Thailand, Malaysia, Singapore, the United States, Morocco, and Spain. According to Muammer, traveling without money is "the best way to meet people". The two friends had to depend on the help of people they met to eat, sleep, and travel. According to Muammer and Milan, this approach removes fear of the unknown and demonstrates that people can count on others, regardless of their nationality, religion, or social status. The story of this journey, "Around the World in 80 Days Without a Cent" (Le tour du monde en 80 jours, sans argent) was published in 2015 by editions
Jean-Jacques-Joseph Debillemont of the Opéra Comique at the Théâtre de la Porte Saint-Martin. He was also responsible of music critic columns in various newspapers such as "L'élu du peuple" in Dijon or "la Revue et gazette des théâtres" in Paris. Jean-Jacques Debillemont also participated in various theater projects such as stage adaptations of works by Jules Verne like "Le Tour du monde en 80 jours", play in 5 acts and one prologue (15 tableaux) premiered in Paris at the Théâtre de la Porte-Saint-Martin, 7 November 1874, text by MM. Adolphe d'Ennery and Jules Verne, or "Les Enfants du capitaine Grant" in 1879.