Great Britain's beach volleyball team has brought rush-hour traffic to a halt as it highlighted how busy the capital's roads will be during the Olympics.
Glad of the warm, early-morning May sunshine, the team members went through their paces in Parliament Square.
The event was held not only to indicate the effect on traffic but also to help launch Transport for London's (TfL) online planning tool entitled Temporary Road Changes.
Garrett Emmerson, TfL's surface transport chief operating officer, said: "We are doing everything we can to make sure people are aware of, and can comply with, the changes that will be made to London's roads during the Games.
"Roads in central London and around venues will be exceptionally busy during the Games.
"Our Temporary Road Changes tool means roads users can see where there will be changes to the road network, allowing them to plan ahead.
"Our advice is to avoid driving in central London and around the Olympic Route Network (ORN) and venues or, if journeys are absolutely essential, to plan ahead and allow extra time."
Signs along the roads and public information campaigns before and during the Games will ensure roads users have all the information they need to comply with the changes.
There will be up to 1,000 Games-related vehicles an hour travelling between key venues. Parking or stopping on the ORN will be restricted.
A penalty charge of £130 will be issued to owners of vehicles who break these regulations during the Games and any illegally parked vehicle will be removed to a pound.