[Crowd at May Day rally, Tokyo, Japan]

[Crowd with baloons at May Day rally, Tokyo, Japan]

[Crowd with baloons and standards at May Day rally, Tokyo, Japan]

[Man on stage speaking to crowd at May Day rally, Tokyo, Japan]

[Soldier leading children on a horse during a May Day celebration, Hungary]

[Girl pulling a toy tank during a May Day celebration, Budapest, Hungary]

[Girl pulling a toy tank during a May Day celebration, Budapest, Hungary]

[Woman holding a child on swing at a carnival during a May Day celebration, Hungary]