The article deals with artistic and social relations from the colonial period in the Brazilian Northern Region based on the assessment conducted within the restoration works of cathedral of Belém concluded in 2009, a church built from 1748 to 1782. The analysis of a niche and drawings of its surroundings were used on the development of the study. The unanimous workers of not valued professions at the time such as engravers, painters and black sculptors exercised by indigenous, backs and mestizos, contrasts with abundant documentation dedicated to well known names of the period to whom the authorship of the works is, generically, known. The article is dedicated to the trajectory of the regio architect Antonio Landi Antonio Landi (1713-1791) and the works of the cathedral it is possible to observe technical and social changes of the period of its construction.
