Queen Elizabeth: Monarch has this very bizarre rule when travelling in the UK

“Much of the journey would be by special Royal Train decorated in the Princess’s favourite ‘surf green,’ along with green damask and taffeta curtains and a light-brown carpet.”

The plush interior design of the train apparently contributed very little to Philip’s wellbeing, however.

“If it was snug and well insulated against the increasingly bracing weather, the Duke found it faintly claustrophobic,” said Hardman.

“‘I feel like a poached egg. I just can’t breathe on trains,’ he announced as he disembarked in Vancouver.”

source: express.co.uk