Why do banks in Spain close so early?

If you want to get anything done at the bank in Spain, you better get there early, as the vast majority of 'bancos' close at 2pm and don't open after lunch.

Why do banks in Spain close so early?
If you want to get anything done at the bank in Spain, you better get there early, as the vast majority of 'bancos' close at 2pm and don't open after lunch.