Via The Observer -
A woman cooks in Qunu where Nelson Mandela grew up. Barack Obama led a chorus of support for the 'hero for the world' en route to Johannesburg on his week-long tour of Africa.
Photograph: Carl De Souza/AFP
Long-tailed mayflies, palingenia longicauda, mate on the surface of the Tisza river in Hungary. Millions of these mayflies engage in a frantic rush to mate and reproduce before they perish in just a few hours during the Tisza blooming season from late spring to early summer.
Photograph: Laszlo Balogh/Reuters