During a visit to open a new day hospital and family health clinic at Marlow Community Hospital in Buckinghamshire, the Princess went on a walkabout outside to meet the waiting crowds.
When one elderly gentleman collapsed, she made her way through the crowds to kneel down and comfort him until the ambulance arrived.
Princess Diana in Abu Dhabi. 1989
Nelson Mandela and Princess Diana, Cape Town, 1997
At the British Deaf Association centenary congress, Princess Diana made a faultless speech using sign language.
The eight hundred delegates were delighted and gave her a standing ovation. She had been learning to sign for seven years in her role as patron to the association.