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While the deftly wrought skills of a conservators' art lies in the protection and saviour of often ancient masterpieces, these pieces, he said, are born more from fragments in time.
Mr Cooke uses traditional glass painting techniques to create his artworks.
"I have always drawn and made things," he said. "It is a total obsession.
"Looking at trees moving in the wind, birds flying, or observing people at a cafe or on a bus - I never know what’s going to grab my attention.
"And I always have a pocket book and pencil with me for the 'quick sketch' - what can I capture of the moment in two minutes, one minute or less."