🌐EnglishEnglishEspañolFrançaisItalianoNederlandsPortuguêsРусскийالعربية中文EntityQ2631941· pop 15· linked from 49 articlesOpus quadratumRoman masonry using parallel courses of squared stone of the same heightWikidata factsImageHerringbone patterned blocks.jpgSources (1)wikidata.orgvia Wikidata · CC0Available in 14 languagesEspañolFrançaisРусскийPortuguêsItalianoالعربيةBasqueCatalanCroatianHebrewNederlandsConnectionsRomeEntityRoman EmpireEntityCategoriesAncient Roman construction techniques