In pictures: Cooking in the Danger Zone

Outside the zone lies the town of Slavutich, built to house the evacuated power station staff and their families.

Even here, contamination can be a problem and market traders have to have certificates to prove their produce is within safe limits.

Mushrooms, however, are particularly receptive to radiation - they “suck up” radioactive particles from the soil - and when Stefan tests some he has picked earlier in the day, he discovers they are eight times over safety limits.