here at the bfi, conservation specialists are painstakingly restoring 138 films of some of britain'shem is of a young army officer crossing the vast expanse of the libyan desert by motorcar. ralph bagnold and his friends are on a journey that will take them into uncharted territory. bagnold was a pioneer of desert exploration. he was an army officer stationed in egypt. his expeditions involve striving thousands of miles into the blistering heat of the libyan desert. no—one had crossed it. no, no—one had crossed it, no—one had crossed it by car before. his son stephen has heard stories of these incredible expeditions, but it's the first time he's seen them. that's my father driving there, and you can see the bonnet is off, and you can see the pipe running from the radiator into the... that was a modification? that was the modification to prevent loss of water through evaporation, through the radiator. it was a journey that pushed bagnold, his men and the cars to their very limits. they had to take everything they needed to survive with them. it was all rationed, water, i think it was

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