Natural Resources and Environment Minister Sergei Donskoi at the opening of the Endangered Species exhibition at the State Darwin Museum in Moscow on 18 March 2017. Photo by RIA Novosti

Natural Resources and Environment Minister Sergei Donskoi at the opening of the Endangered Species exhibition at the State Darwin Museum in Moscow on 18 March 2017. Photo by RIA Novosti

Natural Resources and Environment Minister Sergei Donskoi at the opening of the Endangered Species exhibition at the State Darwin Museum in Moscow on 18 March 2017. Photo by RIA Novosti

A visitor at the Endangered Species exhibition at the State Darwin Museum. Photo by RIA Novosti

A visitor at the Endangered Species exhibition at the State Darwin Museum. Photo by RIA Novosti