Prince Charles has unveiled a plaque at the restored and renamed Redhouse Town Hall in Merthyr Tydfil.
He told onlookers he is "very impressed" with the building.
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Welsh footballing legend Terry Yorath reveals the pain of losing his teenage son, and his subsequent battle with alcohol.
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It is estimated there are 50,000 alcohol-related hospital admissions a year, costing the Welsh NHS £120m annually.