Explore the second part of a conference talk on contact flows and Birkhoff sections presented by Anne Vaugon and Pierre Dehornoy at the Centre International de Rencontres Mathématiques in Marseille, France. Recorded during the thematic meeting "Anosov Dynamics" on April 12, 2023, this 58-minute video delves into advanced mathematical concepts. Access this talk and other presentations by renowned mathematicians through CIRM's Audiovisual Mathematics Library, which offers features such as chapter markers, keywords, enriched content with abstracts and bibliographies, and multi-criteria search options for a comprehensive learning experience.