Prints left by voters' fingers marked with indelible ink stain the doorway of a polling station guarded by a soldier in the ancient desert town of Chenguetti, some 500 km (300 miles) northeast of the capital Nouakchott March 11 2007.

Tisetse Masoleng, 19, poses for a portrait in an ethnic Basotho outfit traditionally worn by recent initiates into manhood, in Cape Town's Khayelitsha township February 2010.

A woman walks through Olusosun rubbish dump in Nigeria's commercial capital Lagos April 2007. A makeshift village built atop the dump site is home to hundreds of people who scavenge waste material.

A woman waits by the roadside to catch a glimpse of Pope Benedict XVI as he travels along the street in Cameroon's capital Yaounde March 19 2009.

A woman with albinism (C) stands in a crowd waiting to catch a glimpse of Pope Benedict XVI as he travels along the street in Cameroon's capital Yaounde March 2009.

A Mauritanian man's traditional clothing is blown by the seasonal Harmattan wind carrying sand and dust south from the Sahara desert in the ancient village of Ouadane, about 600 km (373 miles) northeast of the capital Nouakchott August 2005.