One unpredictable feature of Parinacota is the snow formation known as penitentes, thin, icy spires that can grow several metres tall and can make progress difficult, or even impossible by blocking the usual climbing routes.

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Large air shows like those feature pilots pulling seemingly death-defying maneuvers in all manner of aircraft from biplanes to jets, precision formation flying, skydivers jumping from planes and, of course, screeching military jets pulling high-G maneuvers.

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