![King Charles, left, greets Greek Prime Minister Kyriakos Mitsotakis and his wife Mareva Grabowski at Windsor Castle. AFP](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/ME6V4OR6NF3HUCO2YWBZVTR2VU.jpg?smart=true&auth=0edb9b5b1f844b8eebcf16062374cfaa4b7e702f515e766e8fc7cc07c986c551&width=400&height=225)
King Charles, left, greets Greek Prime Minister Kyriakos Mitsotakis and his wife Mareva Grabowski at Windsor Castle. AFP
King Charles, left, greets Greek Prime Minister Kyriakos Mitsotakis and his wife Mareva Grabowski at Windsor Castle. AFP
King Charles enjoys 'difficult challenges' as TV show follows restoration of stately home
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