Hypostyle halls are a type of building from the Talayotic period in Menorca and Mallorca, about which very little information is available. Their name comes from the fact that inside, there are one or more columns supporting a roof built from large flat stone slabs. The most notable examples are those of Torre d'en Galmés, Torralba, Talatí de Dalt and des Galliner de Madona. General Aspects. A relatively significant number of these monuments have been documented, but due to the limited number of early excavations and the reuse of these spaces throughout history for various purposes, the archaeological information they provide is quite scarce. Their chronology is uncertain, but they seem to date between the early Talayotic period and the late Talayotic period. These are generally single-room buildings, constructed using cyclopean techniques, with one or more columns supporting a roof made of large flat stone slabs, possibly covered with a layer of mud and plant material. Two types can be distinguished: those located within settlements and those that are isolated. Despite these two categories, as with other types of Talayotic buildings, their typological diversity is quite broad, and they may have been considered similar structures with different functions. Among those found within Talayotic settlements, we can mention the three documented at Torre d'en Galmés (two are visible, one is pending excavation). All three seem to follow the same pattern and are attached to a circular house. This has led some researchers to suggest that they may have been used as storage spaces. At Talatí de Dalt, a very different hypostyle hall has also been documented. It is a nearly underground rectangular chamber, with a column supporting a roof made of stone slabs topped by a thick layer of earth and vegetation. Other examples, such as the hypostyle hall of Galliner de Madona, are isolated and freestanding buildings, built with large stones. Its semicircular floor plan contrasts with the previously described halls. Inside, it follows the same construction pattern: a set of columns (mostly polylithic) supporting a roof of flat stone slabs. The vast majority of researchers agree in attributing to these buildings a storage or livestock shelter function, but the lack of archaeological data and their great typological variety make it difficult to conclude that all these buildings had the same purpose and chronology. New excavations in one of these structures would be helpful to provide further insight. Talayotic Menorca: UNESCO World Heritage. [editar] Talayotic Menorca is a site inscribed on the UNESCO World Heritage List in 2023. It consists of a series of archaeological sites that testify to an exceptional prehistoric island culture, characterized by unique cyclopean architecture. The island preserves exclusive monuments such as funerary "navetas", circular houses, "taula" sanctuaries, and "talayots", all of which remain in full harmony with the Menorcan landscape and its connection to the sky. Menorca has one of the richest archaeological landscapes in the world, shaped by generations that have preserved the Talayotic legacy. It has the highest density of prehistoric sites per square meter on any island and serves as a symbol of its insular identity. This area is divided into nine zones covering archaeological sites and associated landscapes, with a chronology ranging from the emergence of cyclopean construction around 1600 BCE to the Romanization in 123 BCE. The exceptional value of its monuments and landscapes led to its inscription on the UNESCO World Heritage List in 2023.