os ▁N acion ais ▁( ), ▁before ▁being ▁taken ▁over ▁on ▁ 1 ▁June ▁ 1 9 9 2 ▁by ▁the ▁ ▁IP PAR ▁by ▁dec ree ▁ 1 0 6 F / 9 2 . ▁ ▁Architecture ▁ ▁Loc ated ▁in ▁the ▁Ter re iro ▁do ▁Cast elo ▁alongside ▁the ▁Church ▁of ▁Santa ▁Maria , ▁the ▁structure ▁is ▁based ▁on ▁a ▁multi - level ▁irregular ▁pent agon , ▁constructed ▁of ▁rounded ▁gran ite ▁blocks ▁and ▁held ▁together ▁by ▁mort ar , ▁while ▁covered ▁by ▁wooden ▁roof ▁t iles . ▁ ▁The ▁Dom us ▁is ▁constit uted ▁by ▁two ▁distinct ▁spaces : ▁the ▁primitive ▁c is tern ▁( document ed ▁after ▁ 1 4 4 6 ), ▁in ▁order ▁to ▁store ▁spring ▁water ; ▁and ▁a ▁superior ▁space ▁that ▁served ▁as ▁a ▁gather ing ▁place ▁for ▁meet ings ▁of ▁the ▁" good ▁men " ▁of ▁the ▁community . ▁It ▁was ▁in ▁the ▁first ▁years ▁of ▁the ▁ 1 6 th ▁century ▁that ▁the ▁municipal ization ▁of ▁B rag ança , ▁from ▁documents ▁dated ▁ 1 5 0 3 . ▁ ▁In ▁many ▁of ▁the ▁documents , ▁the ▁building ▁is ▁referred ▁to ▁as ▁the ▁S ala ▁da ▁Á gu a ▁( ). ▁ ▁One ▁of ▁the ▁shield s ▁has ▁been ▁identified ▁to ▁have ▁been ▁sculpt ed ▁during ▁the ▁modern ▁era . ▁Carlos ▁Alberto ▁Fer re ira ▁de ▁Al me ida ▁noted ▁that ▁the ▁other ▁med all ions , ▁the ▁diam ond - sh aped ▁open ings ▁and ▁the ▁organization ▁of ▁windows , ▁date ▁the