"That’s what our guide, Magrit, calls the vast open-air theater on the outskirts of Tallinn, the ancient capital of the tiny Baltic nation of Estonia. Here, in the late 1980s, Estonians gathered by the thousands to sing patriotic songs and express their deep disdain for their Soviet rulers. Finally, in 1991, the “Singing Revolution” triumphed, and Estonia became free." (Quoted from article)