The project is a proposal for a subterranean public bath beneath a central urban plaza with a glazed roof at street level. The proposal sets to re-establish Thessaloniki’s long lasting culture of public baths as a form of built social space par excellence. Since ancient times public baths have played a central role in the unfolding of the city’s social life which under the mantle of physical culture and relaxation presented the opportunity for the most informal encounters. Roman thermae, Byzantine baths and Ottoman hammams are still evident in the city’s urban fabric, the first in the form of archaeological findings and the other two as preserved historic buildings turned into museums.

A set of inverted arches, domes and cupolas organize the space of the public baths into an almost labyrinthic set of interconnected pools for the various water treatments. The activity in the pools is exposed at street level through a walkable glass floor giving the impression of bathers floating inside a temple. A grid of plane trees is planted in the inverted columns of the arcades functioning as a uniform shading canopy for the plaza and the baths underneath.

Visitors descend to the level of the pools via three wells with spiral staircases. A sequence of sanitary facilities, washrooms, showers and cloakrooms surround the main bathing hall preparing the visitor for a ceremonial experience of body wellness. The bathing complex comprises 10 pools including one 40 x 8 metre sports pool, four round pools with a gradation of warm water, an adventure pool and a water play park with cascades, two square pools for special hydrotherapy treatment and an oval grotto-like hall with bubbling jets and whirlpool. The thermal pool landscape is interrupted by rest areas and passages that lead to more private halls for sauna, aromatic steam bathing and massage therapies.
Archisearch - Underground Plan by Not a Number ArchitectsUNDERGROUND PLAN BY NOT A NUMBER ARCHITECTS
Archisearch - Perspective Section by Not a Number ArchitectsPERSPECTIVE SECTION BY NOT A NUMBER ARCHITECTS
Archisearch - Concept Diagram: Traditional Typology upside down by Not a Number ArchitectsCONCEPT DIAGRAM: TRADITIONAL TYPOLOGY UPSIDE DOWN BY NOT A NUMBER ARCHITECTS
Archisearch - View through the glazed floor by Not a Number ArchitectsVIEW THROUGH THE GLAZED FLOOR BY NOT A NUMBER ARCHITECTS
Archisearch - The Sports Pool by Not a Number ArchitectsTHE SPORTS POOL BY NOT A NUMBER ARCHITECTS
Archisearch - Entrance to the baths by Not a Number ArchitectsENTRANCE TO THE BATHS BY NOT A NUMBER ARCHITECTS

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