Experts look for 'watery kingdom' The forest can been seen at low tide in Cardigan Bay Scientists are to carry out an underwater search for a supposed kingdom in Cardigan Bay said to have existed more than 5,000 years ago. Legend has it that the low-lying land of Cantre'r Gwaelod disappeared under the waves during a storm or a tsunami. Experts say the remains of an ancient forest seen sometimes at low tide is evidence that Cantre'r Gwaelod existed. Conservation group Friends of Cardigan Bay will begin the three-year project in Ceredigion this summer. The oldest part of the submerged...