Ernest Shackleton memorial stone unveiled at Westminster Abbey

Princess Anne views the Ernest Shackleton memorial stone during its service of dedication at Westminster Abbey. Picture: James Manning/PA

A memorial stone to Antarctic explorer Ernest Shackleton has been unveiled at Westminster Abbey by Britain's princess Anne on the 150th anniversary of his birth.

The dean of Westminster David Hoyle said the service of dedication would help sustain Shackleton's "legacy of wonder".