Mothers of the non-government organization "Madres de Plaza de Mayo" attend the inaguration ceremony of the memorial for the victims of dictatorship at the building of the former D2 Police Department, marking the commemoration of the Argentina's National Day of Memory for Truth and Justice, in the city of Mendoza, Argentina, on March 24, 2013. On Sunday the former D2 building was identified as the most emblematic center of detention and represion during Argentina's last military dictatorship, according to the local press reports. [Photo/Xinhua]