Photos from Day 1 action can be found from the Guardian's blog. There are 5 pictures of sitting volleyball that feature on the day's collage.
Members of the British team, bottom, go for the ball as they play Russia in a men's sitting volleyball preliminary round pool A match. Photograph: Matt Dunham/AP
Members of the British military take part in a Mexican wave moving round the crowd, before the start of a men's sitting volleyball preliminary round pool A match between Britain and Russia. Photograph: Matt Dunham/AP
China try to block a shot at the net by Asim Medic of Bosnia and Herzegovina during their Sitting Volleyball Pool B preliminary round match. Photograph: Matthew Lloyd/Getty Images
Olympic volunteers sweep the sitting volleyball court at ExCel. Photograph: Matthew Lloyd/Getty Images
A player waits to block a serve during the Pool A preliminary round Sitting Volleyball match between Egypt and Morocco. Photograph: Matthew Lloyd/Getty Images
It has been a long road to the London 2012 Paralympics for the Rwandan men's sitting volleyball team, which is the best in Africa.