British supermarkets have been making contingency plans to cope with bouts of panic buying and potential disruption to food supplies caused by the coronavirus pandemic.
One country that the UK depends on more than any other for fresh fruit and veg is Spain, where around a quarter of fresh produce sold in UK supermarkets comes from in the summer.
But there are questions over how some Spanish companies are treating their migrant workers, who mainly come from Africa.
"If you want to work like a slave, then there is a lot of work," one labourer, who did not want to be named, told the BBC.
"But if you ask for your rights, then you can't work."
The conditions are miserable. Some are paid below the minimum wage, live in shanty towns and work without breaks in greenhouses that are 50C inside.
Authorities in the town of Buñol, in Spain's Valencia province, have postponed a festival where thousands gather to throw tomatoes at each other, for the first time since 1957