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BERLIN (AP) — A leading cultural organization in Germany on Thursday criticized climate activists for gluing themselves to the frames of famous paintings in museums to protest what they say is the German government’s failure to act against climate change.

The German Cultural Council, an umbrella group for cultural organizations, accused the activists of endangering important artworks with their latest tactics and warned them not to pit art against the cause of curbing global warming.

“As much as I can understand the despair of the climate activists, I say clearly that the act of gluing themselves to the frames of famous works of art is clearly wrong. The risk of damaging the artworks is very high,” said Olaf Zimmermann, the German Cultural Council’s managing director.

“The works put in danger are part of world cultural heritage and deserve to be protected as well as our climate,” he added.

Members of the group Uprising of the Last Generation glued themselves to the 1504 painting “Rest on the Flight into Egypt” by the Lucas Cranach the Elder at Berlin’s Gemaeldegalerie on Thursday, the dpa news agency reported.

The protest came a day after activists glued themselves to Nicolas Poussin’s 1651 painting “Landscape during a Thunderstorm with Pyramus and Thisbe” at the Staedel Museum in Frankfurt.

Earlier this week, two activists glued their hands to the golden frame of Raphael’s “Sistine Madonna” at the Gemaeldegalerie museum in Dresden. In both cases, police were called to the museums to carefully detach the activists’ hands from the frames.

The activists also blocked dozens of roads across Germany this year by gluing themselves to the asphalt.

With their unusual forms of protest, Last Generation activists say they are trying to make it impossible for people and governments to ignore that the world has only a short time to prevent catastrophic levels of global warming.

“Climate catastrophe is an unprecedented threat of incredible proportions: killer droughts, devastating heat, all-consuming forest fires. These will increase dramatically in the coming years. Not just here in Germany … but worldwide,” said Jakob Beyer, a 28-year-old activist who glued himself to the frame of “Sistine Madonna,” one of the most famous paintings of the Italian Renaissance.

Similar protests have been carried out by activists in other European countries.

In London, climate activists targeted a copy of Leonardo da Vinci’s “The Last Supper” at the Royal Academy of Arts last month, gluing themselves to the painting’s frame and spray-painting “No New Oil” next to it.

In Italy, protesters glued themselves to one of the Vatican Museums’ most important ancient sculptures this month. Activists earlier glued their hands to the glass window protecting Sandro Botticelli’s painting “Spring” in the Uffizi Galleries in Florence. In that case, they were detained and ordered to stay out of Florence for three years, Italian media said.

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