Translation of infraestructura

I understood that this was a real problem in this country and many foreigners came for sex tourism. Many bad stories had happened but my hosts were decent people. I could tell that right away.
It comes not only from the need to feel superior (which would be a legitimate and natural desire), it is also the consequence of ignorance, believe in stereotypes and old-fashioned intolerance.
To be honest, we did not understand one word of what he was saying, because his English was so terrible. Or maybe it wasn't and it was only his accent which we could not grasp. To us it was Chinese.