Expert reveals: What Prince Harry's body language reveals about King Charles' condition. Expert: Harry's shoulders and body look relaxed, and the way he puts his hands in his pockets as he walks suggests a casual 'loitering' rather than any signs of tension or anxiety.

Prince Harry appeared to be in a positive mood when he left. A good sign, according to body language expert Judi James. Although he is suffering from cancer, he continues to take care of state affairs.