4,000 oak trees will be planted in the Kulikovo field in memory of fallen soldiers on October 17. The "Green Doberva" operation will take place in the Kulikovo field; 4,000 oak saplings will be planted at the first military field in Russia, the press service of the Kolyvo Field Museum Reserve told Interfax. "The main environmental task of the operation is the restoration of the historical landscape of the era of the Battle of Kulikovo.

4,000 oak trees will be planted in the Kulikovo field in memory of fallen soldiers on October 17. The "Green Doberva" operation will take place in the Kulikovo field; 4,000 oak saplings will be planted at the first military field in Russia, the press service of the Kolyvo Field Museum Reserve told Interfax. "The main environmental task of the operation is the restoration of the historical landscape of the era of the Battle of Kulikovo.