International law on refugees has its roots in the massive displacement that occurred in Europe during World War II. Above: Belgian refugees fleeing after the German invasion of their country in 1940.
The people of Rwanda are required to take part in the national cleanup day, Umuganda, on the last Saturday of every month. (Above) Getting grass under control in Kigali, the capital city.
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At the Smithsonian Folklife Festival in Washington, D.C., Vahagn Amiryan of Armenia prepares to carve an inscription on a block of wood that would sit atop the "mother pillar" inside a traditional house in his country.
Tens of thousands of people live in villages on the edge of the Ankeniheny-Zahamena Corridor rainforest in Madagascar. A government policy now bans cutting down trees to get more land for farming.