Indonesian president Joko Widodo (left) shakes hands with Belgium’s King Philippe at the Royal Palace of Brussels on April 21, 2016.
King Mohammed VI of Morocco at the Morocco-GCC (Gulf Cooperation Council) summit in Riyadh, Saudi Arabia on April 20, 2016.
Below: stamps issued by the Royal Mail to mark the 90th birthday of Queen Elizabeth II.
UPDATE: Sorry – the other photos are no longer available.
King Willem-Alexander (second from right) and Queen Máxima (left) of the Netherlands with UN Secretary-General Ban Ki-moon and his wife, Yoo Soon-taek, before a dinner at Noordeinde Palace in The Hague on April 19, 2016. /
Diana, Princess of Wales visiting India’s Taj Mahal in 1992: