TO GO WITH AFP STORY BY ABDEL HADI HABTOOR Cars drive past a building under construction in the Saudi coastal city of Jeddah on March 16, 2013. Saudi Arabia's housing crisis will be at the centre of talks at the two-day Jeddah Economic Forum opening on March 17. Saudis, citizens of one of the world's wealthiest nations, often struggle to afford housing in a crisis spurred by urbanisation and a lack of competition in real estate. AFP PHOTO/KHALED SAAD (Photo credit should read KHALED SAAD/AFP/Getty Images)