Nunca Máis ( , ) is the name and slogan of a popular movement in Galicia ( Spain ) formed in response to the Prestige ship environmental disaster in 2002 . The movement 's banner is based on the Galician flag , but with a blue diagonal on a black field , rather than a blue diagonal on a white field . The movement describes itself as representing a broad swathe of civil society
Prestige ship environmental disaster
Prestige oil spill
Plataforma Nunca Máis