Sant'Eusebio is a titular church devoted to Saint Eusebius of Rome, a 4th-century martyr. The church is first mentioned in 474, by an inscription in the catacombs of Saints Marcellino e Pietro. It was consecrated by Pope Gregory IX, after the restoration of 1238. The Romanesque style, dating back to this restoration, survived to the restorations of the 17th, 18th, and 20th centuries.
The interior is separated into a nave with two flanking aisles. The present design dates to 1600 work by Onorio Longhi, who restored the presbytery, main altar, and choir. The ceiling fresco is a neoclassical masterpiece of Anton Raphael Mengs depicting the Glory of Sant'Eusebio (1757). Other paintings in the church are attributed to Giuseppe Passeri (central nave window), Andreas Ruthart (choir), Baldassarre Croce (Jesus, Mary, and Saints near the main altar), Cesare Rossetti (Crucifix at the main altar facing choir), Pompeo Batoni (Madonna and Bambino near main altar) and Francesco Solimena.
The main altar has custody of the relics of St Eusebius of Rome, who is supposed to have commissioned and financed construction of the church in the 4th century. The church is supposedly built on the site of his house.References:
Roman Walls of Lugo are an exceptional architectural, archaeological and constructive legacy of Roman engineering, dating from the 3rd and 4th centuries AD. The Walls are built of internal and external stone facings of slate with some granite, with a core filling of a conglomerate of slate slabs and worked stone pieces from Roman buildings, interlocked with lime mortar.
Their total length of 2117 m in the shape of an oblong rectangle occupies an area of 1.68 ha. Their height varies between 8 and 10 m, with a width of 4.2 m, reaching 7 m in some specific points. The walls still contain 85 external towers, 10 gates (five of which are original and five that were opened in modern times), four staircases and two ramps providing access to the walkway along the top of the walls, one of which is internal and the other external. Each tower contained access stairs leading from the intervallum to the wall walk of town wall, of which a total of 21 have been discovered to date.
The defences of Lugo are the most complete and best preserved example of Roman military architecture in the Western Roman Empire.
Despite the renovation work carried out, the walls conserve their original layout and the construction features associated with their defensive purpose, with walls, battlements, towers, fortifications, both modern and original gates and stairways, and a moat.
Since they were built, the walls have defined the layout and growth of the city, which was declared a Historical-Artistic Ensemble in 1973, forming a part of it and becoming an emblematic structure that can be freely accessed to walk along. The local inhabitants and visitors alike have used them as an area for enjoyment and as a part of urban life for centuries.
The fortifications were added to UNESCO"s World Heritage List in late 2000 and are a popular tourist attraction.