Hundreds of people have climbed to the top of one of London's most iconic skyscrapers in aid of a national children's charity.
The NSPCC held the fundraiser in glorious sunshine on Sunday.
Not that the weather mattered to those taking part - their climb was firmly indoors, tackling the building's 1,308 steps.
And the fastest time was made by seasoned amateur runner Rich Sirrs, with an impressive four minutes, 23 seconds.
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Formally 30 St Mary Axe, the building is known for its familiar shape and hundreds of people took part in the event.
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And celebrities through themselves into the challenge too. 'Countdown' presenter Rachel Riley completed it in just under nine minutes.