Queen Elizabeth and her entourage met Pres. Biden at Heathrow.
Later, when nearing Buckingham Palace, they transferred from the limos to a beautiful carriage, drawn by 6 handsome white horses.
While enroute, one of the horses let loose the loudest nastiest fart ever known in England.
Queen and President both gagged at the stench, eyes watering, barely able to breathe.
"I'm so sorry about that," the Queen said.
"I'm so impressed you said that," said Biden. "I was going to blame the horse."