Castellersde Vilafranca, the worlds best Human Towers team, will be showing off their talents on Clapham Common this afternoon .
The display will see 170 members of the team perform together from midday, creating awe-inspiring 'castells'.
A uniquely Catalan custom, human towers have been enjoyed during town celebrations and festivals in Barcelona for three hundred years. See more on ITV London at 5.30pm.
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Officers were given the touching letter at Brixton Station while they were on a reassurance patrol after yesterday's attack
The 52-year-old had previous convictions for violence but was not on the anti-terror watchlist.
In a statement Charlton Athletic said: Keith was a true hero who will be greatly missed by all the Charlton family and everyone at the club.