Rush Hour !

Room for one more on top? How to get a seat in rush hour

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Room for one more at the back?

Only if you can push your way into the throng of 100 or so workers on a journey home from work which makes commuting on Britain's much-maligned transport network seem like luxury.

Shoehorned onto the back of a lorry, they are crossing the Sahara Desert in temperatures of up to 35c in the shade. The hellish trip can last two to three weeks.

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Crammed: An army of migrant workers from some of Africa's poorest states make their way home from oil-rich Libya on the back of a lorry

This is the way an army of migrant workers from some of Africa's poorest states get home from oil-rich Libya.

The lorries follow ancient spice caravan routes over hundreds of miles to Niger and Mali, braving dust storms and giant potholes.

The workers, who do menial jobs shunned by Libyans, have some time with their families - then their desert commute starts all over again.