People cross the Tachira river border as Venezuela steps up deportation of Colombians in what it says is an effort to crack down on paramilitary gangs. Shaken by the deportation of over a thousand compatriots, Venezuela's roughly 5 million Colombians are grappling with whether to stay on in the crisis-hit country that has become increasingly unliveable.
As sports arenas rise up around them and neighbors' houses are demolished, around 50 families remain in Vila Autodromo, a favela bordering the Olympic Park in Rio de Janeiro. Full Coverage
In the searing summer heat in western Egypt, at the hottest time of the day, sufferers of rheumatism, joint pain, infertility or impotence lie buried neck-deep in the sand of Siwa. Full Coverage
Left untreated, the jigger parasite - sand fleas that burrow under the skin, widespread in parts of Uganda - can lead to secondary infections that can be fatal. Full Coverage
Carlos Barria returned to New Orleans after documenting events in 2005 and found a city much rebuilt and renovated, although abandoned homes show Katrina’s lingering impact. Full Coverage