Teploty klesly až na -16 °C, mrznout bude celý víkend
Karen Gaskell wears a heavy muffler as she takes a walk in Minneapolis, January 23, 2013. The Upper Midwest remains locked in a deep freeze, with bitter sub-zero temperatures and wind chills stretching into a fourth day across several states due to waves of frigid Arctic air. REUTERS/Eric Miller (UNITED STATES - Tags: ENVIRONMENT) Published: Led. 23, 2013, 8:05 odp.