“…According to Sanjad (2017) various modalities of 'exhibition' emerged, from universal to thematic, associated with an area of knowledge like arts, science, medicine, public sanitation, such as economic activity (design, industry, mining, agriculture, floriculture, etc.,) and important events. He also shows that between the 1910s and 1930s the exhibitions were altered, especially in relation to their social objective.…”