Joe McNally has been working as a photographer for 35 years, traveling around the world for National Geographic and photographing daily life, famous people, and events like the Olympics in Brazil. He emphasized that photography is about relationships and storytelling, showing glimpses of people's lives and the world to others. At an event, McNally gave a presentation on his work, held a photography demonstration with volunteers, and encouraged Mexican photographers, saying their field is growing and they represent the future of photography.