Spanish police say they have arrested bankers, businessmen and a priest among 33 people held on charges of using the internet to exchange child pornography.
The interior ministry said the images were shocking
Officers say they are suspected of using credit cards to purchase sexual images of children from websites operating out of Belarus and the US.
Police began the investigation last year after receiving information from the authorities in the United States.
Ten were arrested in Barcelona and the rest from cities around the country.
The interior ministry says that, as in other similar cases, those held are from a wide social spectrum.
A spokesman said the highly pornographic images uncovered by police represented real scenes of abused children.