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ASOSA, ETHIOPIA - DECEMBER 08: Ethiopians celebrate the 9th Nations, Nationalities and People's Day at Asosa stadium in the western city of Assosa, capital of Benishangul-Gumuz State on December 8, 2014. Ethiopians turned the anniversary into a national event nine years ago, dubbing it 'Nations' and Nationalities Day,' during which they celebrate the country's unity and its cultural, religious, linguistic and ethnic diversity. (Photo by Minasse Wondimu Hailu/Anadolu Agency/Getty Images)

ASOSA, ETHIOPIA - DECEMBER 08:  Ethiopians celebrate the 9th Nations, Nationalities and People's Day at Asosa stadium in the western city of Assosa, capital of Benishangul-Gumuz State on December 8, 2014. Ethiopians turned the anniversary into a national event nine years ago, dubbing it 'Nations' and Nationalities Day,' during which they celebrate the country's unity and its cultural, religious, linguistic and ethnic diversity. (Photo by Minasse Wondimu Hailu/Anadolu Agency/Getty Images)

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ASOSA, ETHIOPIA - DECEMBER 08: Ethiopians celebrate the 9th Nations, Nationalities and People's Day at Asosa stadium in the western city of Assosa, capital of Benishangul-Gumuz State on December 8, 2014. Ethiopians turned the anniversary into a national event nine years ago, dubbing it 'Nations' and Nationalities Day,' during which they celebrate the country's unity and its cultural, religious, linguistic and ethnic diversity. (Photo by Minasse Wondimu Hailu/Anadolu Agency/Getty Images)

ASOSA, ETHIOPIA - DECEMBER 08:  Ethiopians celebrate the 9th Nations, Nationalities and People's Day at Asosa stadium in the western city of Assosa, capital of Benishangul-Gumuz State on December 8, 2014. Ethiopians turned the anniversary into a national event nine years ago, dubbing it 'Nations' and Nationalities Day,' during which they celebrate the country's unity and its cultural, religious, linguistic and ethnic diversity. (Photo by Minasse Wondimu Hailu/Anadolu Agency/Getty Images)

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ASOSA, ETHIOPIA - DECEMBER 08: Ethiopians celebrate the 9th Nations, Nationalities and People's Day at Asosa stadium in the western city of Assosa, capital of Benishangul-Gumuz State on December 8, 2014. Ethiopians turned the anniversary into a national event nine years ago, dubbing it 'Nations' and Nationalities Day,' during which they celebrate the country's unity and its cultural, religious, linguistic and ethnic diversity. (Photo by Minasse Wondimu Hailu/Anadolu Agency/Getty Images)

ASOSA, ETHIOPIA - DECEMBER 08:  Ethiopians celebrate the 9th Nations, Nationalities and People's Day at Asosa stadium in the western city of Assosa, capital of Benishangul-Gumuz State on December 8, 2014. Ethiopians turned the anniversary into a national event nine years ago, dubbing it 'Nations' and Nationalities Day,' during which they celebrate the country's unity and its cultural, religious, linguistic and ethnic diversity. (Photo by Minasse Wondimu Hailu/Anadolu Agency/Getty Images)

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ASOSA, ETHIOPIA - DECEMBER 08: Ethiopians celebrate the 9th Nations, Nationalities and People's Day at Asosa stadium in the western city of Assosa, capital of Benishangul-Gumuz State on December 8, 2014. Ethiopians turned the anniversary into a national event nine years ago, dubbing it 'Nations' and Nationalities Day,' during which they celebrate the country's unity and its cultural, religious, linguistic and ethnic diversity. (Photo by Minasse Wondimu Hailu/Anadolu Agency/Getty Images)

ASOSA, ETHIOPIA - DECEMBER 08:  Ethiopians celebrate the 9th Nations, Nationalities and People's Day at Asosa stadium in the western city of Assosa, capital of Benishangul-Gumuz State on December 8, 2014. Ethiopians turned the anniversary into a national event nine years ago, dubbing it 'Nations' and Nationalities Day,' during which they celebrate the country's unity and its cultural, religious, linguistic and ethnic diversity. (Photo by Minasse Wondimu Hailu/Anadolu Agency/Getty Images)

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ASOSA, ETHIOPIA - DECEMBER 08: Ethiopians celebrate the 9th Nations, Nationalities and People's Day at Asosa stadium in the western city of Assosa, capital of Benishangul-Gumuz State on December 8, 2014. Ethiopians turned the anniversary into a national event nine years ago, dubbing it 'Nations' and Nationalities Day,' during which they celebrate the country's unity and its cultural, religious, linguistic and ethnic diversity. (Photo by Minasse Wondimu Hailu/Anadolu Agency/Getty Images)

ASOSA, ETHIOPIA - DECEMBER 08:  Ethiopians celebrate the 9th Nations, Nationalities and People's Day at Asosa stadium in the western city of Assosa, capital of Benishangul-Gumuz State on December 8, 2014. Ethiopians turned the anniversary into a national event nine years ago, dubbing it 'Nations' and Nationalities Day,' during which they celebrate the country's unity and its cultural, religious, linguistic and ethnic diversity. (Photo by Minasse Wondimu Hailu/Anadolu Agency/Getty Images)