VIDEO : Alfonso Cuaron Unites Social Classes In ?Roma?

Director Alfonso Cuarón shows the lives of working and middle class families in 1970s Mexico in 'Roma.'

The film focuses on Cleo and Adela, 2 domestic workers who look after 4 children of a middle class family in Roma.

Sofia, the mother, is coping with the absence of her husband...

...while Cleo deals with news that might prevent her from taking care of the children.

'Roma' premieres at the Venice Film Festival at the end of August.