Black and white version of some of the rock detail visible in this shot here: [link]
Though the colours of the rock are lovely, the lines and patterns in the rock lend themselves very well to black and white.
I scanned the original slide into photoshop and converted to black and white there.
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Mamiya RB67 + Seiko 90mm f/3.5 Prime. Shot on Fuji Velvia ISO100.