I think it's "Tú eras bajo." because "eres" is present and I'm pretty sure "eras" is the past tense of ser!
That’s False bro, because it wouldn’t make sense.
Piscina=Pool
Pargue i think you mean Parque which is a Park
Playa=beach
montanas=mountains
there is no picture for me to tell you exactly which one so I just told you what they mean
I hope I helped.
