Immersed in the chilling blue silence beneath three meters of the frozen Arctic Ocean, Prince Charles, then a young man of 26, found himself captivated by a cluster of underwater ice stalactites ...

Their bond has been described as previously 'complex' but is reportedly 'founded on mutual respect and understanding' ...

Their royal union was complicated by infidelity and intense media scrutiny.

King Charles has been in the public eye his whole life and today, the reigning monarch is celebrating his 77th birthday. In 2005, nine years after his divorce from Diana and eight years after her ...