The Portico of San Luca is a significant historical and architectural feature in Bologna, Italy, consisting of a long arcade stretching approximately 3.8 kilometers and comprising 666 arches. This portico connects the Bolognese hills with the city and leads to the Sanctuary of the Madonna di San Luca. The arcade provides shelter and a scenic walkway to pilgrims heading to the sanctuary, which is an important religious site housing a revered image of the Virgin Mary. The construction of the Portico di San Luca began in 1674 and was completed in 1732. This grandiose structure combines religious significance, historical importance, and architectural beauty and provides spectacular views of the surrounding landscape along the route. The portico is a popular spot for both locals and tourists, who often walk the path to enjoy the serene atmosphere and panoramic vistas of Bologna. It exemplifies the traditional portico architecture that is characteristic of the city and contributes to Bologna's nickname, 'La Turrita', due to its many towers and lengthy porticoes.