The most recognizable and significant symbol of the El Camino de Santiago (The Way of St. James) is the Scallop Shell (Vieira). Historically, pilgrims who reached the Cathedral in Santiago de Compostela were given a shell as proof of their journey; today, it serves as the official marker for the entire route. You will see it embedded in the pavement, painted on "Mojones" (stone markers), and hanging from the backpacks of modern "Peregrinos." The shell’s lines, which meet at a single point, symbolize the various paths from across Europe that all converge at the tomb of St. James. Another major symbol is the Yellow Arrow, which was popularized by Father Elías Valiña in the 1970s. These arrows are hand-painted on trees, rocks, and buildings to guide pilgrims through the diverse terrain of Spain, France, and Portugal. Together with the "Bordón" (pilgrim’s staff) and the "Compostela" (the certificate of completion), these symbols form a visual language that has unified travelers for over a millennium.