Can London oust the ghosts of Olympics past and find ways to reuse its venues? Photo courtesy Olympic Delivery Authority Click the image above to view slide show. Click the image above to view slide show. Assuming the dreams of London's Olympic planners come true, London 2012 will be as much a regeneration project as a global athletic event. From the outset, its defining mantras have been regeneration and 'legacy''East London's future. The location of the Olympic Park, straddling four of the city's poorest boroughs in East London's Lea River Valley, is far removed from the royal palaces and leafy