Africa: Europe squeezed by China's scramble for Africa

As Portugal prepares to host a bonding summit of African and European leaders, the frenetic construction in its ex-colony Angola bears testimony to China's growing influence on the resource-rich continent. In all weather and on every day of the week, an army of Chinese construction workers is rapidly transforming the skyline of the Angolan capital Luanda in an alliance which has put the squeeze on traditional European partners.