Wall waltz stunt dazzles Square
It is said to be one of the hardest dances to master, but two couples took the Viennese Waltz to new levels - by waltzing down a 21m vertical wall.
The Jochen Schweizer Events acrobats performed their breathtaking stunt at London's Trafalgar Square as part of a show organised by the Vienna Tourist Board.
The two-day event features acrobats suspended above the ground who take on roles such as clubbers, a waiter in a coffee house complete with a tray of drinks and a strutting prince and princess.
The free 15-minute performance was split into five scenes set on the specially-made wall that showcases Vienna through the ages, to a soundtrack that ranged from classical to dance music.
In between shows, the public are offered the chance to don a specially-adapted climbing harness and take a hair-raising face-first stroll down the wall.
Richard Lockington, a 23-year-old auditor from Camberwell, was one spectator who hoped to rise to the challenge with his friend Adam Law, also 23.
Richard said: "If we can get down from the top to the bottom without hurting ourselves that would be the biggest achievement."
Gudrun Engl, a spokeswoman for the Vienna Tourist Board, said: "We think Vienna is a great city to visit for all ages.
"We always want to emphasise that Vienna is a very young city and we want to attract people to the nightlife."
The vertical show will take place four times daily on Tuesday and Wednesday at 1pm, 3.30pm, 5.30pm and 7pm.