epa10363020 An empty Waterloo Station during rush hour in London, Britain, 13 December 2022. Members of the RMT rail workers' union are beginning fresh wave of strike action causing major disruption to the UK's rail network. Over forty thousand rail workers are walking out on strike in the first of a series of rail strikes during the festive period over an on-going dispute over pay and working conditions.  EPA/ANDY RAIN