Does tire pressure affect the rolling circumference of a wheel?

Does tire pressure affect the rolling circumference of a wheel?
Leonard from Bastille de Blignaut guest house, an African adventurer, answers this question with a simple visual video.
The question arose from a 4x4 forum where a chap asked if he could just adjust tire pressures if he had different size wheels on the front and back of his 4x4 to make up the difference.

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