In pictures: Saudi Arabia's 87th National Day celebration

The Kingdom's unification was achieved after 32 years of struggle during which late King Abdulaziz bin Abdulrahman Al Saud laid the strongest foundations to build such a great state, the Kingdom of Saudi Arabia, based on the Holy Quran, adhering to the teachings of Prophet Mohammed - peace be upon him.
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A Saudi boy flashes the victory gesture with both his hands as he arrives outside a stadium to attend an event in the capital Riyadh on September 23, 2017 commemorating the anniversary of the founding of the kingdom. The national day celebration coincides with a crucial time for Saudi Arabia, which is in a battle for regional influence with arch-rival Iran, bogged down in a controversial military intervention in neighbouring Yemen and at loggerheads with fellow US Gulf ally Qatar.
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FAYEZ NURELDINE/AFP/Getty Images
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A Saudi boy waves a flag bearing the kingdom's emblem and with a caption reading in Arabic 'the nation is in our hearts', as he sits with other families in a stadium to attend an event in the capital Riyadh on September 23, 2017 commemorating the anniversary of the founding of the kingdom. The national day celebration coincides with a crucial time for Saudi Arabia, which is in a battle for regional influence with arch-rival Iran, bogged down in a controversial military intervention in neighbouring Yemen and at loggerheads with fellow US Gulf ally Qatar.
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FAYEZ NURELDINE/AFP/Getty Images
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Saudi families arrive outside a stadium to attend an event in the capital Riyadh on September 23, 2017 commemorating the anniversary of the founding of the kingdom. The national day celebration coincides with a crucial time for Saudi Arabia, which is in a battle for regional influence with arch-rival Iran, bogged down in a controversial military intervention in neighbouring Yemen and at loggerheads with fellow US Gulf ally Qatar.
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FAYEZ NURELDINE/AFP/Getty Images
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A Saudi woman flashes the victory gesture while wearing a coloured wig above her head-dress, as she arrives outside a stadium to attend an event in the capital Riyadh on September 23, 2017 commemorating the anniversary of the founding of the kingdom. The national day celebration coincides with a crucial time for Saudi Arabia, which is in a battle for regional influence with arch-rival Iran, bogged down in a controversial military intervention in neighbouring Yemen and at loggerheads with fellow US Gulf ally Qatar.
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FAYEZ NURELDINE/AFP/Getty Images
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A Saudi girl waves a national flag as she stands by her seat in a stadium, attending an event in the capital Riyadh on September 23, 2017 commemorating the anniversary of the founding of the kingdom. The national day celebration coincides with a crucial time for Saudi Arabia, which is in a battle for regional influence with arch-rival Iran, bogged down in a controversial military intervention in neighbouring Yemen and at loggerheads with fellow US Gulf ally Qatar.
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FAYEZ NURELDINE/AFP/Getty Images
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Saudi women sit in a stadium to attend an event in the capital Riyadh on September 23, 2017 commemorating the anniversary of the founding of the kingdom. The national day celebration coincides with a crucial time for Saudi Arabia, which is in a battle for regional influence with arch-rival Iran, bogged down in a controversial military intervention in neighbouring Yemen and at loggerheads with fellow US Gulf ally Qatar.
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FAYEZ NURELDINE/AFP/Getty Images
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Saudi families arrive at a stadium to attend an event in the capital Riyadh on September 23, 2017 commemorating the anniversary of the founding of the kingdom. The national day celebration coincides with a crucial time for Saudi Arabia, which is in a battle for regional influence with arch-rival Iran, bogged down in a controversial military intervention in neighbouring Yemen and at loggerheads with fellow US Gulf ally Qatar.
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YASSER AL-ZAYYAT/AFP/Getty Images
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A Saudi national flag is seen hanging in the traditional Mubarakiya Market in Kuwait City on September 23, 2017 on the anniversary of the founding of the Saudi kingdom.
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FAYEZ NURELDINE/AFP/Getty Images
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A Saudi boy waves a flag bearing the image of the king as he arrives with his family outside a stadium to attend an event in the capital Riyadh on September 23, 2017 commemorating the anniversary of the founding of the kingdom. The national day celebration coincides with a crucial time for Saudi Arabia, which is in a battle for regional influence with arch-rival Iran, bogged down in a controversial military intervention in neighbouring Yemen and at loggerheads with fellow US Gulf ally Qatar.
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FAYEZ NURELDINE/AFP/Getty Images
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Saudi families arrive outside a stadium to attend an event in the capital Riyadh on September 23, 2017 commemorating the anniversary of the founding of the kingdom. The national day celebration coincides with a crucial time for Saudi Arabia, which is in a battle for regional influence with arch-rival Iran, bogged down in a controversial military intervention in neighbouring Yemen and at loggerheads with fellow US Gulf ally Qatar.