im from south africa and i have only ever been to london one before and we are going again in a months time for the oympics the opening ceremony is on my birthday and i dont know if you are supposed to dress formally or casual etc so please if you know …do i dress formal or casual or what ?? and if u have any tips for an outfit please tell me :) also we will be there for 10 days and attending 5 sporting events so how do i dress for shopping in london during the day and how do i dress for the sporting events in the evening ?? thanks in advance for all your help !!