'I can't help but cry!' – how The Great Pottery Throw Down became a tear-jerking hit

They’ve fired clay with cow dung and crafted toilets that collapsed. As the latest series reaches its climax with an ‘art deco punch bowl’ challenge, we meet the emotional team behind the Channel 4 successKeith Brymer Jones is talking about pots and crying. “I get emotional,” says the master potter, “because it’s a craft I love. It is my life. When I see a potter communicating their creativity via something they’ve made, I can’t help but cry.