The photo taken on April 14, 2006 shows empty buildings in Pripyat, a city near the Chernobyl nuclear power plant, 130 kilometers north of Kiev, capital of Ukraine. Around 50,000 people, most of them workers of Chernobyl nuclear power plant and their family members, lived in the city two decades ago. They moved to other places after the 1986 blast and nuclear leakage at the plant. Ukraine prepares to mark the 20th anniversary of the world's worst nuclear leakage triggered by an explosion happening at the plant's reactor No. 4 on April 26, 1986. (Xinhua Photo)

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