Citywide power outage in San Francisco and more: April 21 in photos

A man looks at a sign posted on the door of a hardware store during a citywide power outage in San Francisco; a bullet hole is pictured in a shop window on the Champs-Élysées in Paris; and antifrost candles burn in a vineyard in Jenins, Switzerland. These are some of the photos of the day. (AP/EPA/Getty/Reuters/Zuma)

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