With the death of Prince Philip, all eyes are on Queen Elizabeth II as she enters a new stage of her reign amid criticism of the usefulness of the monarchy in the modern day.
The queen will mark her 95th birthday on Wednesday and, in coming months, the celebrations marking her 70 years on the throne.
Although her mourning period will prevent her from turning her birthday into a celebration, it still marks a milestone in the history of the monarchy and acts as a powerful reminder that the queen's time on the throne is finite.
That has triggered speculation about how long she will remain on the throne, what the monarchy will look like in the future and, for some, even whether it should continue to exist. "The queen is certainly moving now.
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