Open for itself the geography world — come on geofak Moskovsky state university named after M. V. Lomonosova, Moscow State University named after M. V. Lomonosova, Moskovsky university or Moscow State University

They say that except tritium there will be nothing. Tritium - at it is a half-life period these are 12 years. Each 12,5 years it reduces the concentration twice. And as passed since 2011 a certain number of years, he will live not really long