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Its silhouette stands unmistakably against the Roman skyline, distinguished by its masterful architectural perfection: St. Peter’s Dome, the immortal masterpiece of Michelangelo Buonarroti, who took charge of the project in 1547. The original design was conceived by Donato Bramante in 1505 and subsequently carried forward by Antonio da Sangallo the Younger, who made significant alterations to the project until his death in 1546. It was only with Michelangelo’s intervention that the dome acquired its definitive double-shell structure.
Following the death of the great Renaissance artist in 1564, Pope Sixtus V entrusted the completion of the work to architects Domenico Fontana and Giacomo Della Porta. Under their direction, between 1588 and 1590, the vault and lantern were completed through the tireless efforts of some 800 workers. Compared with Michelangelo’s original design, Della Porta increased the curvature, transforming the dome into a raised-arch, ogival structure and transferring its weight onto 16 stone ribs to ensure stability and safety. In November 1593, the large gilded bronze sphere and cross were finally placed atop the lantern, at a height of over 133 metres.
In its overall design, the dome admirably combines the harmonious restraint of the Renaissance with the striking exuberance of the early Baroque. The configuration of the drum, with its large arched windows and alternating pediments, evokes the perfection and geometric rigour of classical antiquity, while the vertical sweep of the outer shell draws inspiration from the dome of the Florence Cathedral, designed by Filippo Brunelleschi. At the same time, this imposing structure displays a decorative splendour that indirectly hints at the Baroque, evident in the gilded profusion of mosaics, theatrically enhanced by the light filtering through the windows of the lantern and drum.
St. Peter’s Dome has become an iconic symbol of Rome and an unmissable destination for visitors. After a scenic climb of over 500 steps, tourists can reach the panoramic terrace and enjoy a breathtaking view of the Eternal City, suspended between a rich artistic and historical legacy and the contemporary character of a cosmopolitan metropolis.
The Jubilee of Hope, which began in 2025 and concluded in January 2026, provided an excellent opportunity to restore the Dome to its full splendour, upgrading its lighting with efficient, safe and latest-generation solutions. The project was entrusted to Disano, an Italian lighting design and manufacturing leader and benchmark in artistic and monumental luminaires. The system relied on recessed step lights from the Box series along the walkways surrounding the dome. Equipped with advanced LED technology, these fixtures provide precise, uniform illumination with high colour rendering. Stable (low flicker) light output ensures excellent visual comfort, while the exact alignment of the optics eliminates glare, improving visitor safety without altering the character of this priceless historic setting.
Furthermore, the efficiency of the LED light sources in the Box range enables a significant reduction in energy consumption and maintenance costs.
Thanks to the high performance of Disano’s products, the architecture surrounding Michelangelo’s majestic dome is illuminated with a new light. These luminaires have proved to be key to achieving the perfect balance between the need for maximum lighting efficiency and the absolute priority of preserving one of the world’s most famous and precious monuments.

Panattoni Park Bydgoszcz II

Saint Peter’s Dome