The discovery of the Terra Nova shipwreck

<p>In 2012, a team of researchers discovered one of the most famous polar shipwrecks - the Terra Nova.</p><p>The ship was famous for carrying Britain’s doomed explorers in their race to reach the South Pole more than a century ago.</p><p>It was later sunk - laying unseen on the seabed for decades.</p><p>Oceanographer Leighton Rolley tells Megan Jones how he and the rest of his crew used sound waves to find the hidden wreck.</p><p>Eye-witness accounts brought to life by archive. Witness History is …