Eddie Heath, from Dilhorne in Staffordshire, built the Buckingham Palace replica from a thousand wooden pallets donated by local companies.
In the past, he's built models of Big Ben, the Tower of London and the White House, but will now hang up his hammer.
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A senior court prosecutor from Worcester stabbed his wife in the head as she slept after a bout of depression brought on by work pressures.
A man has appeared at Birmingham Magistrates Court charged with the murder of another man who was found dead in Coventry on Monday night.
"This was an incident of domestic violence of the highest severity which sadly had tragic consequences."