we had an amazing stay at Nina's apartment, a clean apartment well equipped and newly renovated, we also liked the location.
we didn't meet Nina in person but there was a guy who welcomed us and he was so kind to us (he gave us recommendations of where to go, where to eat, how to use the means of transport...)
we highly recommend this apartment, we felt like we were at home and if we are going back to Barcelona we will for sure stay there again.