Deep dive into WWI

THIS is the wreckage of a Royal Navy submarine 100 years after it sank — claiming the lives of the 69 crew.

- By Jake Meus-Jones

Diver Dominic Robinson, 54, and his team of 10 went to a depth of 74 metres to explore the HMS M1, 20 miles off the coast of Plymouth. The vessel was constructed during the First World War but was never used in combat due to fears the Germans would copy its revolutionary design.