Can you think of a food you would travel across continents for? Emily Thomas meets people who have gone to extreme lengths for one special meal or ingredient. From a writer searching for a fruit in West Africa to better understand his ancestors, to a curry-lover who chartered a plane to deliver his favourite Indian takeaway. What is the difference between a food pilgrim and a food tourist, and what dangers might culinary travel bring? Plus, what happens when an entire country decides no distance is too great for its favourite fish? (Photo: Man with backpack looking into distance. Credit: Getty Images)