Placing the tin mines around the intersection of a rule-of-thirds grid will help the composition.
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Tin mining began as early as 3000BC, with the word ‘tin’ subsequently entering colloquial use for most metal containers. These days, most only contain a thin layer of tin to prevent rust and are actually made of steel or aluminium. In Britain, the tin mines of Cornwall are now part of the post-industrial landscape and that’s how you should approach them photographically.