this isn't grey's anatomy-Haiti medical relief says that she "know what 60 MPH winds (lasting about 60 minutes) can do to a city, trees, billboards, power lines, and tent cities".
This isn't grey's anatomy-Haiti medical relief dice que "sabe lo que pueden hacerle vientos de 60 MPH (que duran cerca de 60 minutós) a una ciudad, árboles, cartelones, cables de energía y campamentos".