16 July 2012
Last updated at 10:52
Sunday saw a series of "extreme dance" events around London landmarks, choreographed by New Yorker Elizabeth Streb. The "surprise" events were part of the London 2012 Festival which surrounds the Games.
The first event saw dancers bungeeing off the Millennium Bridge at 07:30 BST in their "Waterfall" performance.
Throughout the day the dancers suddenly appeared at landmark locations around the city, pushing their bodies to the limit and displaying extreme athleticism as part of the festival.
Next, choreographer Elizabeth Streb (centre) and dancers from her New York Streb Extreme Action Dance company abseiled down City Hall in central London.
Their performances are designed to be a sudden explosion of human energy and art that appears out of the blue. The company was founded in 1985 and tours internationally in both traditional and non-traditional venues.
The newly completed Shard skyscraper is seen in the background of this shot of the event at City Hall.
The dancers then performed a routine in front of the National Gallery in Trafalgar Square.
Hundreds of people turned up to see the performance in front of Nelson's Column.
The performances were commissioned by the Mayor of London and received funding from the Arts Council England, the Department of Culture, Media and Sport and the National Lottery.
A "surprise" event was then held at the National Theatre on the South Bank, where dancers performed a piece entitled "Speed Angels".
Members of the company then took to the London Eye, which was lit up in the night sky.
The dancers in the company are called Extreme Action Heroes and their work, which Streb has named Popaction, intertwines the disciplines of dance, athletics, boxing, rodeo, the circus and Hollywood stunt work.