sentences:  One of George's responsibilities was to oversee the running of the royal train as far as the junction with the London and North Western Railway at Bushbury, when Victoria was travelling to or from Scotland; a duty that he undertook more than 120 times.In 1870 he travelled to France again, in order to give engineering advice in the course of the Franco-Prussian War.Once again he found himself participating in a way he disliked, being compelled to defend Paris's city walls with a rifle.