relay race, 接力比賽

Britain's Prince William, centre, Kate, the Duchess of Cambridge, right, and Prince Harry react as they take part in a relay race, during a training event to promote the charity Heads Together, at the Queen Elizabeth II Park in London, Sunday, February 5, 2017. (Photo by Alastair Grant/AP Photo)

Britain's Prince William, second left, Kate, the Duchess of Cambridge, left, and Prince Harry take part in a relay race, during a training event to promote the charity Heads Together, at the Queen Elizabeth II Park in London, Sunday, February 5, 2017. (Photo by Alastair Grant/AP Photo)
The Day in Photos – February 6, 2017
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