Answer:
Mariana, ¿nunca has visto las ruinas de Machu Picchu?
Explanation:
Mariana, ¿nunca has visto las ruinas de Machu Picchu? In English this is: Mariana, ¿haven't you ever seen Machu Picchu ruins?
Note that in Spanish this tense is not called presente perfecto as in English. It's called pretérito perfecto, and is considered a past tense. It refers to actions that began in the past but are somehow still relevant in the present, or are still happening or have present consequences. It's formed by the verb haber plush the participle of the verb of the action. In this case has + visto
