Off the top of my head: real sold their old training ground to the municipal govt for a fee far, far in excess of what it was worth. The govt then sold/gave them long lease on new facilities for a peppercorn sum.
That's not true. Their land and their old training ground was built near Paseo de la Castellana in 1963, but back then it was on outskirts of the city.
That land was worth fuck ton after 30 years when city grew, this is what the build on it after: