My entire family went on a boat trip that they never returned from

My entire family went on a boat trip that they never returned fromImage caption, Peter Watts was just 14-years-old when he lost his mother, father, brother and sister in the boating disasterByGeorge HerdBBC WalesPublished56 minutes ago"It's something you don't get over - you learn to live with it."Sixty years ago, Peter Watts' entire family was killed in a boating tragedy that shocked the nation.His nine-year-old sister Angela, 10-year-old brother David, mother Doreen and father Frederick George, along with 11 others, died when the Prince of Wales pleasure boat sank on the Mawddach Estuary in Gwynedd on 22 July, 1966.Now, a memorial recalling the names of the 15 people who lost their lives has been unveiled.It was another chance for Peter to travel from the village he grew up in, near Milton Keynes, to the picturesque estuary where the catastrophe unfolded.Image source, Mirrorpix via Getty ImagesImage caption, Divers search for remaining survivors on the Mawddach Estuary back in July 1966 after the Prince of Wales pleasure boat sank"We'd been on holidays in previous years and I'd been on this boat trip [before] and I didn't want to go again," Peter recalled.Peter was 14 at the time, old enough to be allowed to spend the day on his own in the seaside town of Barmouth, where his family were staying in a boarding house.The rest of his family joined the queue to board the Prince of Wales for the eight mile (13km) trip down the estuary to the George III Hotel at Penmaenpool.Image source, Peter WattsImage caption, Peter's parents Doreen and Frederick George, seen here on their wedding day, died in the tragedyBut the tide pushed the ferry boat into the Penmaenpool toll bridge across the estuary, flinging the 42 passengers into the water as the vessel was wrecked on the bridge.Local people, including the hotel owner and staff and the toll bridge keeper, ran to the aid of those in the water, managing to pull 27 to safety...