A journalist shows dosimeter data after checking up the radiation level at a checkpoint near the Chernobyl nuclear power plant, 130 kilometers north of Kiev, capital of Ukraine, April 14, 2006. 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)

[1] [2] [3] [4]