The Chernobyl catastrophe of 1986 was the greatest tragedy of the civilization. Thousands of people in the radioactive zone had to leave their homes. The soil, the forests, the fields and the rives around Chernobyl are dangerous for people. They bring them death. A lot of people have already died being affected by radioactivity. 12 out of 25 regions have been contaminated with harmful substances, which will be lasting up to hundreds of years.