麻豆社

One of the key moments in the protests in Eastern Europe in 1989 came when millions of people in the Baltic states formed a human chain by holding hands across their three countries. It was a key point in what became known as the Singing Revolution.

Witness talks to one of the organisers of a protest which defied the might of the Soviet Union.

Image: Estonians stand in a "solidarity chain" on August 23, 1989 to condemn the non-aggression Soviet-German pact signed 50 years earlier, on August 23, 1939 (Credit: TASS/T.Veermae via Getty Images)