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Food photography is about much more than beautifully presented dishes in cookbooks - it鈥檚 also being used to change the way we think about what we eat.

Emily Thomas meets three photographers to discuss some of their most powerful images - from a bloody scene in a Thai slaughterhouse to a display of human resilience in a refugee camp.

They explore why still images of food and food production can be a compelling way to communicate about politics, society, and economics. We also hear about the impact such hard-hitting photography can have on the people behind the lens.

To see the images described on the show, plus a few more, visit our homepage www.bbc.com/foodchain

If you would like to get in touch with the show, please email thefoodchain@bbc.co.uk

Producer: Simon Tulett.

Contributors:

Jo-Anne McArthur;
Dorte Verner;
Li Huaifeng.

(Picture: A Moken spear fisherman diving for his catch. Credit: Dorte Verner)