Artist Max Santiago gives a walk-through about the images on a mural depicting labor leaders and human rights activists who fought against the dictatorship of Ferdinand Marcos Sr. in the 1970s, at the University of the Philippines' Fine Arts department on Tuesday. Various non-government organizations will be commemorating the 50th anniversary of the imposition of Martial Law in the Philippines on September 21, 1972, giving tribute to victims and survivors of the authoritarian rule.

• Various activities to mark 50th anniversary of Martial Law declaration