Fishes swim in a fish pond at Shofolu village in Ogu State, southwest Nigeria, on August 30, 2016. Everyone seems to be catching the agriculture bug since President Mohammadu Buhari announced plans to diversify the economy from oil last year. / AFP PHOTO / PIUS UTOMI EKPEIPIUS UTOMI EKPEI/AFP/Getty Images

Former Brazilian President Dilma Rousseff rides her bicycle in the area of the Alvorada Palace in Brasilia on September 1, 2016. Rousseff was stripped of the country's presidency in a Senate impeachment vote ending 13 years of leftist rule in Latin America's biggest economy. Rousseff, 68, was convicted by 61 of the 81 senators of illegally manipulating the national budget. / AFP PHOTO / EVARISTO SAEVARISTO SA/AFP/Getty Images

Former Brazilian President Dilma Rousseff rides her bicycle in the area of the Alvorada Palace in Brasilia on September 1, 2016. Rousseff was stripped of the country's presidency in a Senate impeachment vote ending 13 years of leftist rule in Latin America's biggest economy. Rousseff, 68, was convicted by 61 of the 81 senators of illegally manipulating the national budget. / AFP PHOTO / EVARISTO SAEVARISTO SA/AFP/Getty Images

Former Brazilian President Dilma Rousseff rides her bicycle in the area of the Alvorada Palace in Brasilia on September 1, 2016. Rousseff was stripped of the country's presidency in a Senate impeachment vote ending 13 years of leftist rule in Latin America's biggest economy. Rousseff, 68, was convicted by 61 of the 81 senators of illegally manipulating the national budget. / AFP PHOTO / EVARISTO SAEVARISTO SA/AFP/Getty Images

Former French Prime Minister and candidate for the right-wing Les Republicains (LR) party primary ahead of the 2017 presidential election Francois Fillon (C) arrives at the agricultural show of Châlons-en-Champagne on September 1, 2016. France's Emmanuel Macron vowed after stepping down as economy minister Tuesday to "transform" an ailing country but stopped short of declaring a presidential run. The 38-year-old said he had "seen at first hand the limits of our political system" and that quitting the government of President Francois Hollande would enable him "to be free" to push forward his own agenda. / AFP PHOTO / FRANCOIS NASCIMBENIFRANCOIS NASCIMBENI/AFP/Getty Images

Former French Prime Minister and candidate for the right-wing Les Republicains (LR) party primary ahead of the 2017 presidential election Francois Fillon (R) looks on next to Châlons-en-Champagne mayor and French MP Benoist Apparu (L) and president of the association of municipalities of Châlons-en-Champagne Bruno Bourg-Broc at the agricultural show of Châlons-en-Champagne on September 1, 2016. France's Emmanuel Macron vowed after stepping down as economy minister Tuesday to "transform" an ailing country but stopped short of declaring a presidential run. The 38-year-old said he had "seen at first hand the limits of our political system" and that quitting the government of President Francois Hollande would enable him "to be free" to push forward his own agenda. / AFP PHOTO / FRANCOIS NASCIMBENIFRANCOIS NASCIMBENI/AFP/Getty Images

Former French Prime Minister and candidate for the right-wing Les Republicains (LR) party primary ahead of the 2017 presidential election Francois Fillon attends the agricultural show of Châlons-en-Champagne on September 1, 2016. France's Emmanuel Macron vowed after stepping down as economy minister Tuesday to "transform" an ailing country but stopped short of declaring a presidential run. The 38-year-old said he had "seen at first hand the limits of our political system" and that quitting the government of President Francois Hollande would enable him "to be free" to push forward his own agenda. / AFP PHOTO / FRANCOIS NASCIMBENIFRANCOIS NASCIMBENI/AFP/Getty Images

Former French Prime Minister and candidate for the right-wing Les Republicains (LR) party primary ahead of the 2017 presidential election Francois Fillon attends the agricultural show of Châlons-en-Champagne on September 1, 2016. France's Emmanuel Macron vowed after stepping down as economy minister Tuesday to "transform" an ailing country but stopped short of declaring a presidential run. The 38-year-old said he had "seen at first hand the limits of our political system" and that quitting the government of President Francois Hollande would enable him "to be free" to push forward his own agenda. / AFP PHOTO / FRANCOIS NASCIMBENIFRANCOIS NASCIMBENI/AFP/Getty Images