Thorsten Waelde, also known as Toddy, discusses the Bel Torrente Cave exploration project, a complex endeavor involving dry and flooded cave sections. The project requires living underground for days, facing logistical challenges and mental strain. Toddy details the team, skills, equipment, and procedures involved, including the use of Seacraft Dive Propulsion vehicles. Additionally, he mentions Cave Camps for cave diving enthusiasts to experience aspects of such projects in Sardinia.