beach volley ball
They are Horse Guards.
The cast of Queen and Royalty Arriving at Horse Guards Parade - 1902 includes: Queen Alexandra as herself
I think it was beach volleyball.
15 minutes to walk
Beach Volleyball on Horse Guards Parade in central London
The indoor volleyball competition is taking place at Earls Court Exhibition Centre, in west London, and the beach volleyball tournament is being held at Horse Guards Parade in central London.
Frederick William Speaight has written: 'The Horse guards' parade' 'The work of the Hertfordshire County Council'
The Summer Olympics in 2012 were held in a variety of locations in London. Some of the events were held in well-known locations in London such as Hyde Park or the Horse Guards Parade.
Royal Horse Guards was created in 1650.
Horse Guards - building - was created in 1753.
discus javelin horse racing chariot racing wrestling and some more