43172 'Harry Patch' approaches Bicester Gavray Junction while working the 1Z83 1343 London Marylebone to Penzance, meanwhile, in
the background, 168107 heads south with the 1H35 1315 Birmingham Moor Street to London Marylebone. The two trains were actually
about 30 seconds apart and I have added the 168 into the shot of the HST.

Date: 6 May 2018
Manipulation Notes: See description above