Learn Spanish (Latin America): No paso por esa obra. - I do not go by that construction site.

In this sentence, por indicates movement through, by, or past a place. Because you are describing the route you take (passing by the site), you use por. If you used para, it would mean the construction site is your final destination, as in heading to that construction site.

I learned that obra means a play or work of art. Why is it translated as a construction site here?

The word obra broadly means a work or project. While it is definitely used for creative works like a play (obra de teatro), in everyday conversation about the street or city, una obra refers to a construction site, roadwork, or a building project.

Could paso por mean 'I go through' instead of 'I go by'?

Yes! The phrase pasar por can mean to pass by, to go through, or to travel along. Depending on the exact context, No paso por esa obra could mean you do not go through that construction site, or you do not go past it.

Why is it esa instead of ese or eso?