Which creates a greater risk a few percent of increasing ultraviolet radiation (that is equivalent to moving from Washington DC to Richmond, Virginia) or removing (at least) 90% of your clothes and lying in the sun on purpose?

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Lying around in my caftan soaking up the sun, I might feel suddenly inspired to write a novel or an opera, or cure the global economic crisis.

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Mountains tower over valleys lying deep in snow, their cathedral-spire peaks turning red in the rays of the setting sun.

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