From checking the teeth of an imposing cavalry black, to clambering up stepladders to take the vital statistics of a majestic drum horse, Blue Cross grooms give horses an annual health check on horses at the heart of cultural and military heritage in Britain.
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Cressida Dick said that around £700m of savings have already been made.
Tourists have been left scratching their head after the surprise announcement of the closure of the world's largest museum of oddities.
Scores of RMT union members will vote in the coming weeks on whether to launch a campaign of action.