Fukushima Daiichi Nuclear Power Station Photos 20, 28 February 2012
 

A worker is given a radiation screening as he enters the emergency operation center at Tokyo Electric Power Co.'s tsunami-crippled Fukushima Dai-ichi nuclear power plant in Fukushima prefecture, northeastern Japan, Monday, Feb. 20, 2012. Japan next month marks one year since the March 11 tsunami and earthquake, which triggered the worst nuclear accident since Chernobyl in 1986. (Issei Kato)

Destroyed unit 3 reactor building of Tokyo Electric Power Co.'s tsunami-crippled Fukushima Dai-ichi nuclear power plant is seen in Fukushima prefecture, northeastern Japan, Monday, Feb. 20, 2012. (Issei Kato)

[Added 2 March 2012] Damaged Unit 3 reactor building of Tokyo Electric Power Co.'s tsunami-crippled Fukushima Dai-ichi nuclear power plant is seen in Fukushima prefecture, northeastern Japan, Monday, Feb. 20, 2012. (Issei Kato)

Workers wearing protective suits and masks work atop of No. 4 reactor building of Tokyo Electric Power Co.'s tsunami-crippled Fukushima Dai-ichi nuclear power plant in Fukushima prefecture, northern Japan, Monday, Feb. 20, 2012. (Issei Kato)

A worker wearing protective suit and mask works atop of destroyed unit 4 reactor building of Tokyo Electric Power Co.'s tsunami-crippled Fukushima Dai-ichi nuclear power plant in Fukushima prefecture, northeastern Japan, Monday, Feb 20, 2012. (Issei Kato)

[Added 2 March 2012] Crippled Unit 4 reactor building of Tokyo Electric Power Co., Fukushima Dai-ichi nuclear power plant is seen in Okuma town, Fukushima prefecture, northeastern Japan Tuesday, Feb. 28, 2012.(Yoshikazu Tsuno)

Tokyo Electric Power Co.'s reactor buildings, from right, No.4, No.3, and No.2 [damaged No.2 has been enclosed, see following photo], are seen at tsunami-crippled Fukushima Dai-ichi nuclear power plant in Fukushima prefecture, northeastern Japan, Monday, Feb. 20, 2012. (Issei Kato)

The unit 2 reactor building of Tokyo Electric Power Co.'s tsunami-crippled Fukushima Dai-ichi nuclear power plant is seen through a bus window during a press tour in Fukushima prefecture, northeastern Japan, Monday, Feb. 20, 2012. (Issei Kato)

Tokyo Electric Power Co.'s tsunami-crippled Fukushima Dai-ichi nuclear power plant is seen from bus window during a press tour in Fukushima prefecture, northeastern Japan, Monday, Feb. 20, 2012. (Issei Kato)

Workers wearing protective suits and masks construct water tanks, seen through a bus window during a press tour at Tokyo Electric Power Co.'s tsunami-crippled Fukushima Dai-ichi nuclear power plant in Fukushima prefecture, northeastern Japan, Monday, Feb. 20, 2012. (Issei Kato)

Unit 6, left, and unit 5 reactor buildings of Tokyo Electric Power Co.'s tsunami-crippled Fukushima Dai-ichi nuclear power plant are seen through a bus window during a press tour in Fukushima prefecture, northeastern Japan, Monday, Feb. 20, 2012. (Issei Kato)

[Added 2 March 2012] Debris is seen scattered near the Unit 6 reactor building of stricken Fukushima Dai-ichi nuclear power plant of Tokyo Electric Power Co., in Okuma town, Fukushima prefecture, northeastern Japan Tuesday, Feb. 28, 2012. (Yoshikazu Tsuno)

Trucks are overturned before the Unit 4 reactor building of stricken Fukushima Dai-ichi nuclear power plant of Tokyo Electric Power Co., in Okuma town, Fukushima prefecture, northeastern Japan Tuesday, Feb. 28, 2012. (Yoshikazu Tsuno)

Stricken Fukushima Dai-ichi nuclear power plant buildings of Tokyo Electric Power Co., are seen in Okuma town, Fukushima prefecture, northeastern Japan Tuesday, Feb. 28, 2012. (Yoshikazu Tsuno)

A journalist checks radiation level with her dosimeter near stricken Fukushima Dai-ichi nuclear power plant of Tokyo Electric Power Co., during a press tour led by TEPCO officials, in Okuma town, Fukushima prefecture, northeastern Japan Tuesday, Feb. 28, 2012. (Yoshikazu Tsuno)