Mateusz Morawiecki, the prime minister, has commemorated the shooting dead of nine protesting coal miners by communist riot police units in December 1981.
Rumoured to be the tallest mural in the country, the artwork will eventually be joined by eight others in Poznań.
Unions from Poland's mining region of Silesia on Friday signed an agreement with a government delegation on the principles and timing of the transformation of the country's mining industry, whereby the last Polish coal mine will be closed down in 2049.
Poland will adopt a long-term model of transforming its mining industry and departing from its reliance on coal, following the example of Germany, agreed a government delegation and mining unions on Thursday morning after hours of talks.
Production of coal in Poland fell by 15.8 percent year on year in August 2020, reaching 4.24 million tonnes, the Central Statistics Office (GUS) announced on Wednesday.
Australian mining firm Prairie Mining has launched international arbitration proceedings against Poland, claiming damages for the alleged hindering of the development of its two coal mines located in the country, the company said in a news release.
A new draft energy policy until 2040 foresees the share of coal in the energy mix falling to 35.6 - 56 percent in 10 years, compared to the 56-60 percent provided for in a government report last November, the Puls Biznesu business daily reported on Tuesday.
The process of shutting down Polish coal mines is inevitable and the Polish Mining Group (PGG) has prepared a plan to close down four unprofitable mines, Deputy PM and State Assets Minister Jacek Sasin told private radio RMF FM on Thursday.
The Polish Mining Group (PGG) has decided to halt operations at ten of its pits from June 12 to July 3 after a Tuesday meeting with trade unions. The stopover was announced on Monday by the State Assets Ministry.
Coal extraction at the Sośnica coal mine in Gliwice, southern Poland, is suspended as of Wednesday after 43 employees have tested positive for the presence of the coronavirus.