Before the 20, 000-cast event kicks off on 27 July at 21:00 BST, with the tolling of the bell, an Olympic Stadium packed with 80, 000 spectators will be entertained by a pre-show that will start at 12 minutes past eight - 20:12 BST.
At a meeting packed with local business people, politicians and journalists in a Chinese restaurant, she distanced herself from pre-judging any options at this stage.