Demonstrators across the globe took to the streets on Tuesday to demand better working conditions, as part of rallies marking International Workers' Day. Seen here are demonstrators at a May Day rally in Istanbul, Turkey, on Tuesday May 1.

Demonstrators across the globe took to the streets on Tuesday to demand better working conditions, as part of rallies marking International Workers' Day. Seen here are demonstrators at a May Day rally in Istanbul, Turkey, on Tuesday May 1.

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May Day protesters demand better rights for workers

Demonstrators across the globe took to the streets on Tuesday to demand better working conditions, as part of rallies marking International Workers' Day.