Sheikh Khalifa at Al Bateen Palace, Abu Dhabi. Wam
Nasser Al Nowais, chairman of the Rotana Hotel Group, with the late President, Sheikh Khalifa. 'He cared about the well-being of people not only in the UAE, but all over the world,' says Mr Al Nowais. Photo: Nasser Al Nowais
Sheikh Khalifa in Dubai in 1971. Magnum Photos
An undated photo of Sheikh Khalifa. Wam
A young Sheikh Khalifa (seated). Wam
UAE Founding Father, the late Sheikh Zayed bin Sultan Al Nahyan, and his son Sheikh Khalifa watch a military parade in 1978. Photo: Al Ittihad
Sheikh Khalifa. Wam
Sheikh Zayed, centre, and Sheikh Khalifa seated to his right. Wam
Sheikh Zayed and Sheikh Khalifa. Wam
Sheikh Zayed and Sheikh Khalifa. Photo: Al Ittihad
Sheikh Zayed inspects plans for the Sheikh Zayed Grand Mosque with his sons Sheikh Khalifa and Sheikh Sultan. Photo: Al Ittihad
Sheikh Khalifa, left, greets Jordan's King Abdullah in Abu Dhabi on May 16, 2000. Wam
Sheikh Khalifa and Sheikh Zayed. Wam
Sheikh Khalifa performs Umrah. Wam
Sheikh Khalifa and Sheikh Mohammed bin Rashid, Vice President and Ruler of Dubai. Wam
An image of Sheikh Khalifa is projected on to a building in Abu Dhabi. Antonie Robertson / The National
President, Sheikh Mohamed, left, with Sheikh Khalifa in 2009. Philip Cheung / The National
Sheikh Khalifa watches the first Abu Dhabi Grand Prix at Yas Marina Circuit on November 1, 2009, with Nursultan Nazarbayev, president of Kazakhstan, and Sheikh Humaid bin Rashid Al Nuaimi, Ruler of Ajman. Ryan Carter / The National
Sheikh Khalifa attends National Day celebrations at Zayed Sports Stadium on December 2, 2011. Philip Cheung / Crown Prince Court
The UAE football team meet with Sheikh Khalifa on Saturday, January 19, 2012, after their 2-1 victory over Iraq in the Gulf Cup final in Bahrain. Wam
Britain's Queen Elizabeth and Prince Philip with Sheikh Khalifa at Windsor Castle, England, on April 30, 2013. Reuters
Sheikh Khalifa. Wam
Sheikh Khalifa with Sheikh Mohammed bin Rashid, Vice President and Ruler of Dubai, Sheikh Dr Sultan bin Muhammad Al Qasimi, Ruler of Sharjah, Sheikh Humaid bin Rashid Al Nuaimi, Ruler of Ajman, Sheikh Hamad bin Mohammed Al Sharqi, Ruler of Fujairah, Sheikh Saud bin Rashid Al Mualla, Ruler of Umm Al Quwain, and Sheikh Saud bin Saqr Al Qasimi, Ruler of Ras Al Khaimah. Wam
Sheikh Khalifa at Al Bateen Palace, Abu Dhabi. Wam
Nasser Al Nowais, chairman of the Rotana Hotel Group, with the late President, Sheikh Khalifa. 'He cared about the well-being of people not only in the UAE, but all over the world,' says Mr Al Nowais. Photo: Nasser Al Nowais
Sheikh Khalifa in Dubai in 1971. Magnum Photos
An undated photo of Sheikh Khalifa. Wam
A young Sheikh Khalifa (seated). Wam
UAE Founding Father, the late Sheikh Zayed bin Sultan Al Nahyan, and his son Sheikh Khalifa watch a military parade in 1978. Photo: Al Ittihad
Sheikh Khalifa. Wam
Sheikh Zayed, centre, and Sheikh Khalifa seated to his right. Wam
Sheikh Zayed and Sheikh Khalifa. Wam
Sheikh Zayed and Sheikh Khalifa. Photo: Al Ittihad
Sheikh Zayed inspects plans for the Sheikh Zayed Grand Mosque with his sons Sheikh Khalifa and Sheikh Sultan. Photo: Al Ittihad
Sheikh Khalifa, left, greets Jordan's King Abdullah in Abu Dhabi on May 16, 2000. Wam
Sheikh Khalifa and Sheikh Zayed. Wam
Sheikh Khalifa performs Umrah. Wam
Sheikh Khalifa and Sheikh Mohammed bin Rashid, Vice President and Ruler of Dubai. Wam
An image of Sheikh Khalifa is projected on to a building in Abu Dhabi. Antonie Robertson / The National
President, Sheikh Mohamed, left, with Sheikh Khalifa in 2009. Philip Cheung / The National
Sheikh Khalifa watches the first Abu Dhabi Grand Prix at Yas Marina Circuit on November 1, 2009, with Nursultan Nazarbayev, president of Kazakhstan, and Sheikh Humaid bin Rashid Al Nuaimi, Ruler of Ajman. Ryan Carter / The National
Sheikh Khalifa attends National Day celebrations at Zayed Sports Stadium on December 2, 2011. Philip Cheung / Crown Prince Court
The UAE football team meet with Sheikh Khalifa on Saturday, January 19, 2012, after their 2-1 victory over Iraq in the Gulf Cup final in Bahrain. Wam
Britain's Queen Elizabeth and Prince Philip with Sheikh Khalifa at Windsor Castle, England, on April 30, 2013. Reuters
Sheikh Khalifa. Wam
Sheikh Khalifa with Sheikh Mohammed bin Rashid, Vice President and Ruler of Dubai, Sheikh Dr Sultan bin Muhammad Al Qasimi, Ruler of Sharjah, Sheikh Humaid bin Rashid Al Nuaimi, Ruler of Ajman, Sheikh Hamad bin Mohammed Al Sharqi, Ruler of Fujairah, Sheikh Saud bin Rashid Al Mualla, Ruler of Umm Al Quwain, and Sheikh Saud bin Saqr Al Qasimi, Ruler of Ras Al Khaimah. Wam
Sheikh Khalifa at Al Bateen Palace, Abu Dhabi. Wam