[1] The tunnel, like Gibraltar's Great North Road, was large enough to take Army ammunition trucks.

The tunnel was planned in January 1942 and was designed to be large enough to accept Army trucks carrying ammunition.

He had trained as a miner in South Africa and was in charge of tunnelling operations in Gibraltar during World War II.

Soldiers in the Royal Electrical & Mechanical Engineers would enter AROW Street through Monkey's Cave and make their way to their instrument workshop located in the Rock.

Their cave had windows which allowed them to work with natural light and they could see views of the Straits of Gibraltar.