If you've ever had strawberries, there is a chance they were grown in a province in southern Spain called Huelva.

Spain a prolific producer of strawberries, and the jurisdiction of Huelva is where 80% of the country's berries are grown, in an industry that is increasingly demanding.

The work is year-round and requires field workers who take on the repetitive task planting seedlings and then harvesting when ready. This job usually falls on migrants, many from Africa.

They describe challenging conditions in the fields and with their bosses, who are often slow to give them work papers. When they are not working, they have to worry about ducking the police and danger in a nearby settlement where most of them live.

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