The hospital was inaugurated on 15 May 1811 by a decree of Eugenio Napoleone, viceroy of Italy. The structure remained in operation until the end of the 1970s. Since 2017, it houses the Delta Antico Museum, which keeps a collection of two thousand finds covering a period from the protohistory to the Middle Ages. Loggia dei Mercanti del Grano (or Loggia del Grano), built in 1621 by the will of cardinal Giacomo Serra, was used as a grain storehouse for the poor people of Comacchio. It has a rectangular plan and it is supported by marble columns. The monumental Ponte di Piazza used to be in its proximity, but it was demolished after 1850. The Episcopal Palace is believed to be built between the late 16th and the early 17th century. The governors of the city used to live there until 1745, when it was sold to the bishop Cristoforo Lugaresi with the commitment to host a seminar and the public school. The bishops of the Diocese of Comacchio have been living there from 1748 to 1986. Palazzo Tura, built in 1715 by the abbot Pietro Maria Zanoli and restored by the Tura family, is located in front of the Cathedral. Built with an almost square base, it has a Venetian cotto facade and it spreads over two floors with a central tower. A notable architectural element is the staircase with balustrade in polychrome marble, designed by the Bolognese architect Cellamarini to replace the original one. Remo Brindisi Museum at Lido di Spina. Anthropic geography Lidos Comacchio is known for its seven lidos, with its wide sandy shores spreading throughout the coast, from the mouths of the Reno river to the Po di Volano river, crossing the regional park of Po delta. They are, from northern to southern: Lido di Volano Lido delle Nazioni Lido di Pomposa Lido degli Scacchi Porto Garibaldi Lido degli Estensi Lido di Spina The oldest of them is Porto Garibaldi; the most recently established is Lido di Volano. Economy Tourism is one of the main activities in its seven lidos, especially during summer. Other prominent activities are commercial fishing, aquaculture and fish farming. In the past, salt production was also very important, whose trade had been causing bitter disputes with the Serenissima Republic of Venice. Comacchio is appreciated for having kept intact most of its architecture over time: canals, ancient buildings and monumental bridges are