Queen Elizabeth II and her family with horses on grounds of Balmoral Castle

Princess Anne and Prince Charles feed carrots to a pony and a horse on the grounds of Balmoral Castle / Queen Elizabeth II hitches reins to a horse as Princess Anne tries to help / Philip, Duke of Edinburgh, stands with the children near the horses / Queen and Princess work with horse's reins / Princess leads horse through gate / Prince leads pony along road / Princess pats and hugs the pony / montage Prince and Princess feed, pat the horses; Princess gets tangled in the bridle / montage Queen, Princess, Prince with horses in reins / Princess leads horse, Prince leads pony, Queen follows / Balmoral Castle stands in background as children play with horses on the grounds / the family with the horses