This doctor braves mountains by horseback and on foot to make house calls

This 80-year-old physician is a lifeline during brutal winters in the Caucasus Mountains.

Irakli Khvedaguridze, 80, is the only licensed doctor across nearly 386 square miles of mountainous land in the Tusheti region of northeast Georgia. Here he rides his white horse, Bichola, through the village of Omalo. In the background is the clinic where he obtains limited medical supplies.

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