Vladimir Putin hits the city in winter . Putin has variously been pictured horse-riding bare-chested and swimming in a mountain stream in Siberia while on vacation . Russian president wears boots on a visit to Winter Olympics host city . Practices on runs adjacent to the pistes used for Olympic competition . Visit comes amid security concerns after attacks on Volgograd .
Vladimir Putin hits the city in winter . Russian president wears boots on a visit to Winter Olympics host city . Practices on runs adjacent to the pistes used for Olympic competition . Visit comes amid security concerns after attacks on Volgograd .