In pictures: London 2012 Olympic stadium structure completed
The external structure of the 2012 Olympic Stadium has been completed - as revealed in these images released by the Olympic Delivery Authority today
These latest images show the final truss being lifted into place. Robert McAlpine is main contractor on the stadium.
The roof structure and the black steel rakers, which act as the terracing supports for the upper tier of 55,000 seats, will form the outer shell of the Olympic Stadium.