Iranian ninja women, Europe's deep freeze, and Vladimir Putin's presidential campaign feature in this week's gallery of our favorite images.
Photos Of The Week -- February 11-17

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An activist from the Ukrainian women's rights movement Femen protests in front of Gazprom headquarters in Moscow. (ITAR-TASS/Sergei Fadeichev)

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An Iranian woman performs a split as members of various ninjutsu schools showcase their skills to the media in a gym in Karaj, near Tehran. (Reuters/Caren Firouz)

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Ukrainian veterans of the Soviet war in Afghanistan stand with their backs turned to President Viktor Yanukovych as he attends a flower-laying ceremony in Kyiv. (Reuters/Gleb Garanich)

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A shepherd tends to a flock of sheep in a wintry steppe near the Chinese border in southeastern Kazakhstan. (Reuters/Shamil Zhumatov)

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A North Korean soldier cries as he marches during a military parade to mark the birth anniversary of the late leader Kim Jong Il in Pyongyang. (Reuters)

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People walk past a partly seen traffic light with a transparent image of Russian Prime Minister Vladimir Putin stuck to the device apparently by supporters in central Moscow. (AFP/Yury Kadobnov)

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An Iraqi garbage collector looks for recyclable waste at a dump site in Tikrit. (Reuters)

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Bizarre ice formations hang on trees at the Unteres Odertal national park near Schwedt, Germany. (AFP/Patrick Pleul)

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British boxer Dereck Chisora (right) slaps the face of Ukrainian heavyweight WBC boxing champion Vitali Klitschko as they stare each other down after the official weigh-in in Munich. (Reuters/Michael Dalder)

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Licia Ronzulli, an Italian member of the European Parliament, takes part with her daughter in a voting session at the European Parliament in Strasbourg. (Reuters/Vincent Kessler)

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A man holds Valentine's Day balloons for sale while waiting for customers along the roadside in Karachi, Pakistan. (Reuters/Akhtar Soomro)

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Turkmenistan's President Gurbanguly Berdymukhammedov is inaugurated for a second term in the capital, Ashgabat. (AFP/Igor Sasin)