Answer:
Trucos para ser un viajero respetuoso.
Step-by-step explanation:
In this exercise you have to choose the best title to the podcast. The text says that traveling without offending is easy because there are tricks to be a respectful traveler. He says that taking pictures without asking is a bit rude. So the best option to answer the question that says "¿Cuál es el mejor título para el podcast?" is the title that says "Trucos para ser un viajero respetuoso".