A helicopter sprays a decontaminant near the Chernobyl nuclear power station on December 6, 1986, following an explosion that covered the area with radioactivity on April 26, 1986. UPI | License Photo
Unidentified workers take radiation measurements in the area surrounding the Chernobyl Nuclear Power Plant in Ukraine, following the April 26, 1986 explosion. UPI/INS | License Photo
An aerial photograph of the damage caused to the Chernobyl Nuclear Power Plant, Ukraine, caused by the explosion on April 26, 1986. UPI/INS | License Photo
Cleanup efforts following the April 26, 1986 disaster at the Chernobyl Nuclear Power Plant in Ukraine. UPI/INS | License Photo
Construction of the "sarcophagus" at the Chernobyl Nuclear Power Plant, Ukraine, following the explosion on April 26, 1986. UPI/INS | License Photo
Aftermath of the explosion in unit four at the Chernobyl Nuclear Power Plant in Ukraine on April 26, 1986. UPI/INS | License Photo
This Landsat 5 Thematic Mapper image shows the area in which the damaged Chernobyl nuclear power plant is located. This photo was taken at approximately 9:45 a.m. Kiev time on April 29, 1986. The plant, damaged by the accident on April 26, 1986, is located at the left side of the cooling pond in the center of the rectangular shaped area just at the end of the watercooling inlet. UPI | License Photo
The Chernobyl Nuclear Power Plant in the Ukraine, following the April 26, 1986 explosion. UPI/INS | License Photo
Inside the Chernobyl Nuclear Power Plant's Unit-4 showing melted and re-solidified fuel that flowed into the lower area of the reactor after the explosion on April 26, 1986 in Ukraine. UPI/INS | License Photo
An aerial view of the aftermath of the April 26, 1986 explosation at the Chernobyl Nuclear Power Plant in Ukraine. UPI/INS | License Photo
An aerial view of the aftermath of the April 26, 1986 explosion at the Chernobyl Nuclear Power Plant, Ukraine. UPI/INS | License Photo
The Chernobyl Nuclear Power Plant in Ukraine following the April 26, 1986 explosion. UPI/INS | License Photo
An aerial view of the damaged caused by the explosion at the Chernobyl Nuclear Power Plant on April 26, 1986 in Ukraine. UPI/INS | License Photo
An aerial view of the Chernobyl Nuclear Power Plant before the disaster in Ukraine. The explosion occured on April 26, 1986 in unit four. UPI/INS | License Photo
Damage from the April 26, 1986 explosion as seen from above unit four. The accident took place in the Ukraine at the Chernobyl Nuclear Power Plant. UPI/INS | License Photo
Inside the Chernobyl Nuclear Power Plant's Unit-4 showing melted and resolidified fuel that flowed into the lower area of the reactor after the explosion on April 26, 1986 in Ukraine. UPI/INS | License Photo
Construction of the "sarcophagus" at the Chernobyl Nuclear Power Plant in Ukraine, following the April 26, 1986 explosion. UPI/INS | License Photo