A visit to the Old Dalby Test Track, Melton Mowbray, Leicestershire

Hello there all of you wonderful people!
Something a little different today, a day's visit to the Old Dalby Test Track near Melton Mowbray, Leicestershire. Some cool manoeuvres with one of two class 08s, "Aventras" class 710 (London Overground) and class 720 (Greater Anglia). with a couple of class 57s ready to depart with a London Overground "Aventra" class 710.