Activists form "Luetzi Stays" using pavement stones during a demonstration at Luetzerath, a village that is about to be demolished to allow for the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023. REUTERS/Wolfgang Rattay

"X" Structure symbol is removed as police clash with activists during a sit-in protest against the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023 that has highlighted tensions over Germany's climate policy during an energy crisis. REUTERS/Thilo Schmuelgen

A general view shows tree houses as activists take part in a sit-in protest against the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023 that has highlighted tensions over Germany's climate policy during an energy crisis. REUTERS/Christian Mang

Police officers try to evict people from the tree houses as activists take part in a sit-in protest against the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023 that has highlighted tensions over Germany's climate policy during an energy crisis. REUTERS/Christian Mang

A police member opens the door of a barn as activists take part in a sit-in protest against the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023 that has highlighted tensions over Germany's climate policy during an energy crisis. REUTERS/Christian Mang

Activists stage a sit-in protest against the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023 that has highlighted tensions over Germany's climate policy during an energy crisis. REUTERS/Christian Mang

Police officers take away an activist on a trolley during a sit-in protest against the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023 that has highlighted tensions over Germany's climate policy during an energy crisis. REUTERS/Wolfgang Rattay TPX IMAGES OF THE DAY

An excavator removes a construction as activists stage a sit-in protest against the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023 that has highlighted tensions over Germany's climate policy during an energy crisis REUTERS/Christian Mang

An activist takes part in a sit-in protest against the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023 that has highlighted tensions over Germany's climate policy during an energy crisis. REUTERS/Thilo Schmuelgen

Police officers stand guard as activists stage a sit-in protest against the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023 that has highlighted tensions over Germany's climate policy during an energy crisis. REUTERS/Thilo Schmuelgen

Demonstrators throw Molotow cocktails and fireworks at police officers, during a protest against the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE in Luetzerath, Germany January 11, 2023. REUTERS/Benjamin Westhoff

An activist hangs on a rope during a sit-in protest against the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023 that has highlighted tensions over Germany's climate policy during an energy crisis. REUTERS/Wolfgang Rattay TPX IMAGES OF THE DAY

An activist standing on a rope leans with his hand glued to the wall of a barn during a sit-in protest against the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023 that has highlighted tensions over Germany's climate policy during an energy crisis. REUTERS/Christian Mang

Police officers keep guard as an activist demonstrates at Luetzerath, a village that is about to be demolished to allow for the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023. REUTERS/Thilo Schmuelgen TPX IMAGES OF THE DAY

Police officers detain an activist during a sit-in protest against the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023 that has highlighted tensions over Germany's climate policy during an energy crisis. REUTERS/Thilo Schmuelgen

A police officer takes away an activist on a trolley during a sit-in protest against the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023 that has highlighted tensions over Germany's climate policy during an energy crisis. REUTERS/Wolfgang Rattay

An activist throws mud from a rooftop during a sit-in protest against the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023 that has highlighted tensions over Germany's climate policy during an energy crisis. REUTERS/Thilo Schmuelgen

Police officers stand at a barn as activists stage a sit-in protest against the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023 that has highlighted tensions over Germany's climate policy during an energy crisis. REUTERS/Thilo Schmuelgen

A man walks on lines next to a rainbow flag as activists stage a sit-in protest against the expansion of the Garzweiler open-cast lignite mine of Germany's utility RWE, in Luetzerath, Germany, January 11, 2023 that has highlighted tensions over Germany's climate policy during an energy crisis. REUTERS/Wolfgang Rattay