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Green is the color between blue and yellow on the visible spectrum. It is evoked by light which has a dominant wavelength of roughly 495–570 nm. In subtractive color systems, used in painting and color printing, it is created by a combination of yellow and blue, or yellow and cyan; in the RGB color model, used on television and computer screens, it is one of the additive primary colors, along with red and blue, which are mixed in different combinations to create all other colors. By far the largest contributor to green in nature is chlorophyll, the chemical by which plants photosynthesize and convert sunlight into chemical energy. Many creatures have adapted to their green environments by taking on a green hue themselves as camouflage. Several minerals have a green color, including the emerald, which is colored green by its chromium content.
During post-classical and early modern Europe, green was the color commonly associated with wealth, merchants, bankers and the gentry, while red was reserved for the nobility. For this reason, the costume of the Mona Lisa by Leonardo da Vinci and the benches in the British House of Commons are green while those in the House of Lords are red.
Kigali | |
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Kigali (Kinyarwanda: [ci.ɡɑ́.ɾi]) is the capital and largest city of Rwanda. It's near the country's geographical centre in a region of rolling hills, with a succession of valleys and ridges joined by steep slopes. The town has been Rwanda's economic, cultural, and transportation hub because it became the capital following independence from Belgian rule in 1962.
In a place controlled by the Kingdom of Rwanda from the 17th century and then by the German Empire, the city was founded in 1908 when Richard Kandt, the colonial resident, chose the site for his headquarters, citing its central location, views and safety. Foreign merchants started to trade in the city during the German era, and Kandt opened some government-run schools for Tutsi Rwandan students. Belgium took control of Rwanda and Burundi during World War I, forming the mandate of Ruanda-Urundi. Kigali remained the seat of colonial administration for Rwanda but Ruanda-Urundi's capital was at Usumbura (currently Bujumbura) in Burundi and Kigali remained a small city with a population of just 6,000 at the time of independence.
Kigali grew slowly during the next decades. It wasn't initially directly affected by the Rwandan Civil War between government forces and the rebel Rwandan Patriotic Front (RPF), which started in 1990.