 Complete the following phrase:  It was extensively renovated in time for the 2004 Summer Olympics and the 2004 Summer Paralympics, including a roof designed by Santiago Calatrava, and innovatively positioned with Enerpac hydraulics. The roof was added atop the sidelines and completed just in time for the opening of the Games. The stadium was then officially re-opened on 30 July 2004. It hosted the athletics events and the football finals at the Olympics and the athletics at the Paralympics. It also hosted the 