*Climate: Huge variation from humid sub-tropical in Krasnodar krai, to desert/semi-desert in the Altai republic, and arctic tundra in north eastern Siberia, which is one of the coldest areas on the planet. | *Climate: Huge variation from humid sub-tropical in Krasnodar krai, to desert/semi-desert in the Altai republic, and arctic tundra in north eastern Siberia, which is one of the coldest areas on the planet. |