Thematic Photographic 125: Sepia

I'm not sure I really know what constitutes a sepia photograph. I've looked at all the beautiful images which clever people have posted in response to this theme, and they seem to range from black and white to gold. And I don't have any sepia collection, so this is my sole contribution this week:

A friend's son walks in the harsh salt desert of Uyuni, in Bolivia:

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