This is the work of nearly 8 years and you can see where at the beginning I didn't have a digital camera (or the ability to get anything focused correctly.) Here are just a sampling. You can see the rest in my Flickr set here.
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At the grocery store in town.
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In London
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In Paris
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In Rome
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In Sydney
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In Beijing
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On the Great Wall
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In Tokyo
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Near Mt. Fuji