Rwanda, land of a thousand invisible hills. It’s an overcast morning in Kigali, capital of Africa’s most densely populated country. The sound of a bamboo broom scraping the tarmac accompanies a solitary sweeper engaged in the Sisyphean task of keeping the hotel frontage spick and span. Overhead, a black kite looms into view. Then another, then a third, swooping down like dementors out of the mist. The drabness of the scene is relieved by the iridescent headgear of a diminutive sunbird, scolding the universe from a nearby palm frond.
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Source: Phys.org