Newly released footage shows the Queen feeding horses at Sandringham. 
Members of the royal family are attending events across the country as platinum jubilee celebrations enter their third day, but the Queen will not attend the Epsom derby.
Buckingham Palace also announced earlier that the monarch, 96, had pulled out of the derby and would be officially represented by her daughter, Princess Anne. 
The Queen is expected to watch the event on television instead.
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