To a greater or lesser extent, banks are running some of Spain's biggest listed developers, companies like Colonial and Metrovacesa, who were forced to throw themselves at their bankers' feet when they couldn't cope with their billions of Euros of debt.
It's not just the big developers with billions of Euros of debt that the banks are having to take over to prevent their loan default rates from going through the roof. All around Spain many small regional banks and savings banks have been quietly taking over small local developers for the same reason.
Having taken over developers or their assets in return for cancelling debts, many banks and savings banks, known as cajas, now find they own a wide variety of real estate assets from land and flats under construction to finished developments and business parks.