October 15 Ukranian Prime Minister Arseniy Yatsenyuk visited Kharkiv to inspect progress of the Wall project  - construction of a border between Russia and Ukraine. Earlier he announced plans to build a 2,295-kilometer long border with Russia. The ground section of the border will feature a ditch at least four meters wide and two metres deep equipped with systems of optic electronic surveillance, towers and other structures. The sea section will be equipped with optic electronic surveillance devices. The project cost, according to Yatsenyuk, was estimated at 66 million euro.