Queen Elizabeth II during a walkabout at Bangkok's Chulalongkorn University, accompanied by Princess Sirindhorn, a history graduate of the university, on the second day of her visit to Thailand.   (Photo by John Stillwell - PA Images/PA Images via Getty Images)
Queen Elizabeth II receives garlands, during a walkabout at Bangkok's Chulalongkorn University,  on the second day of her visit to Thailand.   (Photo by John Stillwell - PA Images/PA Images via Getty Images)
Britain's Queen Elizabeth II on walkabout outside the British Council offices in Thailand's capital city today (Tuesday), accompanied by Princess Sirindhorn (right), on the second day of her official visit to Thailand. See PA Story ROYAL Queen. Photo by John Stillwell.   (Photo by PA Images via Getty Images)