"Trzaskowski's line for 700,000"? Who has decided

Members of the Confederacy are thundering that the president of Warsaw Rafał Trzaskowski decided to allocate PLN 700,000 to place a rainbow in the Savior's Square. Installation is to be a symbol of LGBTQ+ community. Politicians - and netizens behind them - accuse the president of Warsaw of wasting money. but he had nothing to do with it.