Dosimetrists drawing a map of contaminated areas after the Chernobyl nuclear power plant disaster. Emergency measures in the area included the evacuation of 135,000 inhabitants. In April, experiments at the plant caused an accident which killed approximately 30 people this year and spread radioactive debris over much of northern and eastern Europe.

A group of liquidators ready to climb the top of the Chernobyl nuclear reactor after the disaster. Emergency measures in the area included the evacuation of 135,000 inhabitants. In April, experiments at the power plant caused an accident which killed approximately 30 people this year and spread radioactive debris over much of northern and eastern Europe.

Summer in Chernobyl. Emergency measures in the Chernobyl area, from which 135,000 inhabitants had to be evacuated. In April, experiments at the Chernobyl nuclear power plant caused an accident which killed approximately 30 people this year and spread radioactive debris over much of northern and eastern Europe.

Summer. Emergency measures in the Chernobyl area, from which 135,000 inhabitants had to be evacuated. In April, experiments at the Chernobyl nuclear power plant caused an accident which killed approximately 30 people this year and spread radioactive debris over much of northern and eastern Europe.

Summer. Emergency measures in the Chernobyl area, from which 135,000 inhabitants had to be evacuated. In April, experiments at the Chernobyl nuclear power plant caused an accident which killed approximately 30 people this year and spread radioactive debris over much of northern and eastern Europe.

Summer. Emergency measures in the Chernobyl area, from which 135,000 inhabitants had to be evacuated. In April, experiments at the Chernobyl nuclear power plant caused an accident which killed approximately 30 people this year and spread radioactive debris over much of northern and eastern Europe.

Radiation control of dwellings and administrative building in Chernobyl after decontamination. Other emergency measures in the area included the evacuation of 135,000 inhabitants. In April, experiments at the Chernobyl nuclear power plant caused an accident which killed approximately 30 people this year and spread radioactive debris over much of northern and eastern Europe.

Health physicists in special suits control radiation in the fields of the Chernobyl nuclear power plant disaster area. Other emergency measures in the area included the evacuation of 135,000 inhabitants. In April, experiments at the plant caused an accident which killed approximately 30 people this year and spread radioactive debris over much of northern and eastern Europe.

Summer. Emergency measures in the Chernobyl area, from which 135,000 inhabitants had to be evacuated. In April, experiments at the Chernobyl Nuclear Power Plant caused an accident which killed approximately 30 people this year and spread radioactive debris over much of northern and eastern Europe.

Individual dosimetric control officer Dmitry Dmitriev at the Chernobyl nuclear disaster liquidation site. Emergency measures in the area included the evacuation of 135,000 inhabitants. In April, experiments at the Chernobyl power plant caused an accident which killed approximately 30 people this year and spread radioactive debris over much of northern and eastern Europe.

View of the Chernobyl nuclear power plant with its steel sarchophagus at the forefront. The large concrete structure was built around the remains of the plant to isolate it from the environment. Other emergency measures in the area included the evacuation of 135,000 inhabitants. In April, experiments at the plant caused an accident which killed approximately 30 people this year and spread radioactive debris over much of northern and eastern Europe.

Nature,1st prize