In pictures: OPEC strikes first deal since 2008 to curb oil output

Members of the Organisation of Petroleum Exporting Countries attend crunch meeting in the Algerian capital Algiers
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Saudi Arabia's Energy Minister Khalid al-Falih arrives for an informal meeting between members of the Organization of Petroleum Exporting Countries, OPEC, in the Algerian capital Algiers, on September 28, 2016. (Stringer/AFP/Getty Images)
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Participants gather in the lobby ahead of an informal meeting between members of the Organization of Petroleum Exporting Countries, OPEC, in the Algerian capital Algiers, on September 28, 2016. (Stringer/AFP/Getty Images)
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Saudi Arabia's Energy Minister Khalid al-Falih arrives for an informal meeting between members of the Organization of Petroleum Exporting Countries, OPEC, in the Algerian capital Algiers, on September 28, 2016. (Stringer/AFP/Getty Images)
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Participants gather in the lobby ahead of an informal meeting between members of the Organization of Petroleum Exporting Countries, OPEC, in the Algerian capital Algiers, on September 28, 2016. (Stringer/AFP/Getty Images)
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Saudi Arabia's Energy Minister Khalid al-Falih arrives for an informal meeting between members of the Organization of Petroleum Exporting Countries, OPEC, in the Algerian capital Algiers, on September 28, 2016. (Ryad Kramdi/AFP/Getty Images)
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Mohammed Bin Saleh Al-Sada (C), Minister of Energy and Industry of Qatar, arrives for an informal meeting between members of the Organization of Petroleum Exporting Countries, OPEC, in the Algerian capital Algiers, on September 28, 2016. (Ryad Kramdi/AFP/Getty Images)
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United Arab Emirates Energy Minister Suhail bin Mohamed al-Mazroui (C) attends an informal meeting between members of the Organization of Petroleum Exporting Countries, OPEC, in the Algerian capital Algiers, on September 28, 2016. (Ryad Kramdi/AFP/Getty Images)
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Mohammed Bin Saleh Al-Sada (L), Minister of Energy and Industry of Qatar, OPEC oil cartel Secretary General, Nigeria's Mohammed Barkindo (C), and Algerian Energy Minister Noureddine Boutarfa (R) attend a meeting between members of the Organization of Petroleum Exporting Countries, OPEC, in the Algerian capital Algiers, on September 28, 2016. (Stringer/AFP/Getty Images)
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Nigerian minister of petroleum Emmanuel Ibe Kachikwu (C) attends an informal meeting between members of the Organization of Petroleum Exporting Countries, OPEC, in the Algerian capital Algiers, on September 28, 2016. (Ryad Kramdi/AFP/Getty Images)
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Algerian Energy Minister Noureddine Boutarfa (R) and Xiansheng Sun, Secretary-General of the International Energy Forum (IEF), attend an informal meeting between members of the Organization of Petroleum Exporting Countries, OPEC, in the Algerian capital Algiers, on September 28, 2016. (Ryad Kramdi/AFP/Getty Images)