Source: Photograph (2010) by WTL© on site in the Jardín Botánico de Cienfuegos, Cuba.
Comment: The collection includes over 400 species of cactus, some of which you see here in this greenhouse, which, at the time the photo was taken, was being toured by a group of American students.
Humanities question: What do you think is the relationship, if any, between the humanities and sustainability? In other words, if you were the instructor of this course on the humanities, would you include this image? Explain.