Thousands of mourners lined up Saturday to pay tribute to former Soviet leader Mikhail Gorbachev, who launched drastic reforms that helped end the Cold War and precipitated the breakup of the Soviet Union, in a farewell snubbed by Russian President Vladimir Putin.The Kremlin's refusal to declare a state funeral reflects its uneasiness about the legacy of Gorbachev, who has been venerated worldwide for bringing down the Iron Curtain but reviled by many at home for the Soviet collapse and the ensuing economic meltdown that plunged millions into poverty On Thursday, Putin privately laid flowers at Gorbachev’s coffin at a Moscow hospital where he died. The Kremlin said the president’s busy schedule would prevent him from attending the funeral. Asked what specific business will keep Putin busy on Saturday, Kremlin spokesman Dmitry Peskov told reporters that the president will have a series of working meetings, an international phone call and needs to prepare for a business forum in Russia’s Far East he's scheduled to attend next week

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The coffin of Gorbachev, who died Tuesday at the age of 91, was brought to Moscow's Novodevichy cemetery, where he will be buried next to his wife Raisa, following a farewell ceremony at the Pillar Hall of the House of the Unions, an opulent 18th-century mansion near the Kremlin that has served as the venue for state funerals since Soviet times.

At the ceremony Saturday, mourners passed by Gorbachev's open casket flanked by honorary guards, laying flowers as solemn music played. Gorbachev's daughter, Irina, and his two granddaughters sat beside the coffin.

The grand, chandeliered hall lined by columns hosted balls for the nobility under the czars and served as a venue for high-level meetings and congresses along with state funerals during Soviet times. Upon entering the building, mourners saw honor guards flanking a large photo of Gorbachev standing with a broad smile, a reminder of the cheerful vigor he brought to the Soviet leadership after a series of dour, ailing predecessors.

The turnout was large enough that the viewing was extended for two more hours beyond the stated two hours.