Police officers carry a demonstrator away from the protest against the extension of the A49 motorway, in a forest near Stadtallendorf, Germany November 17, 2020. REUTERS/Kai Pfaffenbach TPX IMAGES OF THE DAY

Protesters sit on wooden platforms during a protest against the extension of the A49 motorway, in a forest near Stadtallendorf, Germany November 17, 2020. REUTERS/Kai Pfaffenbach TPX IMAGES OF THE DAY

Police officers are seen as demonstrators lie in hammocks hanging from trees during a protest against the extension of the A49 motorway, in a forest near Stadtallendorf, Germany, November 11, 2020. REUTERS/Kai Pfaffenbach TPX IMAGES OF THE DAY

Police officers detain an environmental activist protesting against the expansion of the A49 motorway, in a forest near Stadtallendorf, Germany, October 2, 2020. REUTERS/Kai Pfaffenbach TPX IMAGES OF THE DAY

A police officer walks with a demonstrator away from the protest against the extension of the A49 motorway, in a forest near Stadtallendorf, Germany November 17, 2020. REUTERS/Kai Pfaffenbach

A demonstrator sits in a lone tree, with cut down trees in the background, in a protest against the extension of the A49 motorway, in a forest near Stadtallendorf, Germany November 17, 2020. REUTERS/Kai Pfaffenbach

A view shows a lit candle left on a tree stump by activists after a protest against the extension of the A49 motorway, in a forest near Stadtallendorf, Germany November 17, 2020. REUTERS/Kai Pfaffenbach

A view shows a tree stump with paint marking nails hammered in by demonstrators so the tree wouldn't be cut by a chainsaw, during a protest against the extension of the A49 motorway, in a forest near Stadtallendorf, Germany November 17, 2020. REUTERS/Kai Pfaffenbach

Police officers lead a demonstrator away from the protest against the extension of the A49 motorway, in a forest near Stadtallendorf, Germany November 17, 2020. REUTERS/Kai Pfaffenbach

Special police officers stand in a basket of a crane next to the tree house during a protest against the extension of the A49 motorway, in a forest near Stadtallendorf, Germany November 17, 2020. REUTERS/Kai Pfaffenbach

Demonstrators erect wooden barricades during a protest against the extension of the A49 motorway, in a forest near Stadtallendorf, Germany, November 11, 2020. REUTERS/Kai Pfaffenbach

Special police officers try to get one demonstrator down from a tree during a protest against the extension of the A49 motorway, in a forest near Stadtallendorf, Germany, November 11, 2020. REUTERS/Kai Pfaffenbach

Police officers detain demonstrators during a protest against the extension of the A49 motorway, in a forest near Stadtallendorf, Germany, November 11, 2020. REUTERS/Kai Pfaffenbach

Police officers clear barricades during a protest against the extension of the A49 motorway, in a forest near Stadtallendorf, Germany, November 11, 2020. REUTERS/Kai Pfaffenbach

Police officers stroll through the protesters camp as demonstrators sleep ahead of a protest against the extension of the A49 motorway, in a forest near Stadtallendorf, Germany, November 11, 2020. REUTERS/Kai Pfaffenbach

German activist Carola Rackete attends a protest as demonstrators block the way for the extension of the A49 motorway, in a forest near Stadtallendorf, Germany November 10, 2020. REUTERS/Kai Pfaffenbach

A banner hangs from a tree house at activists' camp that blocks the way for the extension of the A49 motorway, in a forest near Stadtallendorf, Germany November 10, 2020. The banner reads: "For humans and nature. Forest and water protection instead of asphalt desert". REUTERS/Kai Pfaffenbach

A police officer carries a part of activists' camp that blocks the way for the extension of the A49 motorway, in a forest near Stadtallendorf, Germany November 10, 2020. The writing reads: "Clearing tank". REUTERS/Kai Pfaffenbach

A banner is seen as a protester sits on a tree house to block the way for the extension of the A49 motorway, in a forest near Stadtallendorf, Germany November 10, 2020. REUTERS/Kai Pfaffenbach

Police officers prepare to clear wooden barricades to make way for the extension of the A49 motorway, in a forest near Stadtallendorf, Germany November 10, 2020. REUTERS/Kai Pfaffenbach

Environmental activists protest against the expansion of the A49 motorway, in Dannenrod, Germany, October 4, 2020. REUTERS/Ralph Orlowski

Special Police officers try to get one environmental activist down of a tree during a protest against the expansion of the A49 motorway, in a forest near Stadtallendorf, Germany, October 2, 2020. REUTERS/Kai Pfaffenbach