It used to be, two, three hundred years ago, that a lawn was a symbol of prestige, and so it was only the very rich that could keep these green actually, deserts: they're totally sterile.
El cesped solía ser, doscientos, trescientos años atrás un símbolo de prestigio, y así, eran sólo los ricos los que podian mantener estos, de hecho, desiertos verdes: son totalmente estériles.