A model poses for a photograph in the World Vision Garden on press day at the Hampton Court Palace Flower Show at Kingston-upon-Thames in south west London July 4, 2011. [Photo/Agencies]

A Sudanese from the south who is staying in the north, stands at her shelter at Mandela camp in the outskirts of Khartoum July 4, 2011. South Sudan splits away from the north on July 9 to create Africa's newest nation after southerners voted for secession under terms of a peace deal reached in 2005 to end a north-south civil war.[Photo/Agencies]