'Chernobyl Liquidators' Monument (IMAGE) Pensoft Publishers Caption In December 2017, the 'Chernobyl liquidators' monument by Andrei Kovalchuk was ceremonially unveiled on Poklonnaya Hill in Moscow's Victory Park to pay tribute to the people who took part in the clean-up operations after the explosion at the Chernobyl nuclear power plant on April 26, 1986. Credit Country of Rosatom Usage Restrictions CC-BY 4.0 License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.