Taty Almeida, a member of the Argentine human rights group 'Madres de Plaza de Mayo', poses in front of portraits of her son Alejandro Almeida and other victims of forced disappearance, at the organization's building in Buenos Aires, Argentina, on April 20, 2017.
April 30 marks the 40th anniversary of the Madres' first protest around the Plaza de Mayo square in Buenos Aires to demand the return of their children, who were forcibly disappeared during the 1976-1983 Argentine dictactorship. / AFP PHOTO / EITAN ABRAMOVICH        (Photo credit should read EITAN ABRAMOVICH/AFP/Getty Images)