these images testament to the enduring popularity of a remarkable monarch. sarah campbell, bbc news. as we have been reflecting all day yesterday and today, these are celebrations across the uk and around the commonwealth, but london is putting on quite a show for much of this. with me is london s mayor, labour s sadiq khan. welcome. london is really is showing off in this period of celebrations, isn t it? it off in this period of celebrations, isn t it? , . . , isn t it? it is amazing. yesterday was astonishing isn t it? it is amazing. yesterday was astonishing for isn t it? it is amazing. yesterday was astonishing for trooping - isn t it? it is amazing. yesterday was astonishing for trooping the j was astonishing for trooping the colour. tomorrow, the buckingham palace and the world eyes are on london and we won t let her majesty down. london and we won t let her ma esty down. , ,, . london and we won t let her majesty down- i am i london and we won t let her majesty down- i am