The profession of pizza maker is so universal that if one day you decide to change your place of work, you can decide to move to London for example and start over, because there will always be a need for a pizza maker.
There are many episodes that tell of these events, as well as that of ours master pizza maker, who moved to London because he was tired of Naples, let's say there were no more stimuli. He went to London, got busy, studied the taste of the English and now lives and works there without problems.