Russian Communist Party leaders Gennady Zyuganov (center) and Valentin Kuptsov (right) take part in a street demonstration at Tveskaya street on the 1st of May.

A war veteran wearing a sailor's outfit climbs on to a pole with a red flag in his hands during a street demonstration at Tveskaya street on the 1st of May.

A war veteran wearing a sailor's outfit climbs on to a pole with a red flag in his hands during a street demonstration at Tveskaya street on the 1st of May.

A participant of a street demonstration at Tverskaya street on the 1st of May holds the portrait of Alexander Voloshin.

Participants of a street demonstration at Tverskaya street on the 1st of May hold the portraits of (from left to right) Alexander Voloshin, Anatoly Chubais and Vladimit Putin.

A man wearing a red scarf with the symbol of the National and Bolshevik Party on his face takes part in a rally on the 1st of May.

The participant of the procession devoted to the International solidarity of workers holiday walks with a red flag in the Tverskaya street.