Premier Mark McGowan opens ‘Reflections’ mural on Wellington Dam World’s biggest dam mural set to attract thousands of visitors to Collie, driving new local tourism jobs Centrepiece of McGowan Labor Government’s $1.5 million Collie Mural Trail Premier Mark McGowan today opened the world’s biggest dam mural in Collie, part of the McGowan Labor Government’s commitment … Continue reading World’s biggest dam mural opens in Collie