These men are about to undertake an eight mile underwater snorkel swim along the Tees between Yarm Bridge and the river road, Stockton. They are (I to r) Ian Turner, Bob Dodds, Richard Linton and Derek Saunders.

Of the 50 participants, all from Teesside branch of the British Sub-Aqua Club, 47 completed the gruelling course, including three 12- year-old swimmers. About £500 was raised for the lifeboats.

photograph by courtesy of Middlesbrough Evening Gazette.