Irish police watch from a floodlight gantry, as Britain's Queen Elizabeth II visits the home of the Croke Park Stadium, in Dublin, Wednesday May 18, 2011, site of a notorious massacre where British troops killed 14 Irish civilians in 1920. The Queen's visit to Croke Park on the second day of her historic trip to the Republic of Ireland highlights the vast improvement in Anglo-Irish relations since those dark days. It brought the English monarch to a large sports stadium that is a revered spot for Irish nationalists who mourn those who died there during the conflict with Britain.(AP Photo/Peter Morrison)