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Before the passing of the Civil Rights Act in 1964, racial segregation was legally enforced in many parts of the United States.

Travelling on the road was filled with uncertainty and danger for black people.

But in 1936, postal worker Victor Hugo Green produced The Green Book Guide - a travel guide which listed everything from petrol stations and lodgings to doctors, churches and department stores that would serve black customers.

The Â鶹Éç Travel Show reports.