Tens of thousands turn out in the city, including for a march on Red Square for the first time since the fall of the Soviet Union.
For the first time since the fall of the Soviet Union, Russia held a huge May Day parade right on Red Square, in the heart of Moscow.
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Thousands of members of Russia's trade unions turned out for the holiday, which was a big deal in Soviet times because of its celebration of the worker.
AP Photo/Ivan Sekretarev
In the 20 years since the end of the Cold War, May Day became a holiday mainly celebrated by Communists nostalgic for Soviet times. Today marked the holiday's return to the mainstream, embraced by the Kremlin once more.
Sergei Karpukhin / Reuters
People waved flags and balloons and some brought their kids.
AP Photo/Ivan Sekretarev