Explore the intricacies of geodesic flow on surfaces without conjugate points in this conference talk recorded during the thematic meeting "An introduction to dynamics on surfaces and random walks" at the Centre International de Rencontres Mathématiques in Marseille, France. Delve into the first part of Khadim Mbacke War's presentation, which offers a comprehensive examination of this mathematical concept over the course of 1 hour and 30 minutes. Access this video and other talks by renowned mathematicians through CIRM's Audiovisual Mathematics Library, taking advantage of features such as chapter markers, keywords, enriched content with abstracts and bibliographies, and a multi-criteria search function to enhance your learning experience.