Release of the Guildford Four at the Old Bailey (right), 18 October 1989. Gerald Conlon with his sisters Bridie Brennan (left) and Ann McKernan. Photograph by Peter MacDiarmid: 'Opposite the Old Bailey, where there is now a City bank, there was a building site full of Irish workers. They all downed tools and cheered'
Prague, before and after the Velvet Revolution: members of the 'Iron Fist' Communist militia (left) celebrate the anniversary of the overthrow of Dubcek, 28 October 1989. Photograph by David Rose: 'The sense of change wasn't as developed as in Germany, but this once- powerful force was beginning to appear uncertain.The year before, they would have been a pillar of rock.' Wenceslas Square (above), days after the fall of the Berlin Wall, November 1989. Photograph by Brian Harris: 'My homage to Josef Koudelka. In '68, in one of the great iconic images of our age, he photographed the square, which was deserted when the government tried to organise a mass rally in support of its regime. This time round, 500,000 showed, and within a week Vaclav Havel was president'