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Sheila Helm walks her English cocker spaniel, Jackson, near Lake Harriet 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. The dog is wearing rubber booties to protect its paw pads from ice and salt. REUTERS/Eric Miller (UNITED STATES - Tags: ENVIRONMENT) Published: Led. 23, 2013, 8:03 odp.
Sheila Helm walks her English cocker spaniel, Jackson, near Lake Harriet 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. The dog is wearing rubber booties to protect its paw pads from ice and salt. REUTERS/Eric Miller (UNITED STATES - Tags: ENVIRONMENT) Published: Led. 23, 2013, 8:03 odp. | Foto: Reuters