Rundown chateau hid me from Nazis, now it's getting an 'extraordinary' makeover

Popeck was one of 150 Jewish children secretly hidden from the Nazis in the secluded Chateau de Chaumont - having been sent there by his mum who later died at Auschwitz. Now 88, Popeck meets the 'extraordinary' British chef restoring the treasured French haven into a residential camp for underprivileged children