Thousands of Sudanese are making the trek south to be part of the historic referendum on separation from the north.<br /><br />But for many their dream of returning home has left them without a vote as they did not register before leaving the north.<br /><br />Al Jazeera's Andrew Simmons reports from Malakal, one of the main transit points for returnees between north and south, where people are living in primitive shelters.
