Series reuniting people who were part of major news events. The organisers of the 2012 Queen's diamond jubilee river pageant meet again.
The organisers of the 2012 Queen's diamond jubilee river pageant meet once more and retrace the route down the river. And one of the soggy choir singers from that rather rainy day does an encore - in somewhat drier conditions.
Margaret Thatcher's driver and bodyguard - from when she left Downing Street for the last time - meet the photographer who took the iconic photo of the Iron Lady in tears.