People walk past a vineyard on a hill in Konigswinter, a town near Bonn, western Germany, on Oct. 25, 2020. (Photo by Tang Ying/Xinhua)

Photo taken on Oct. 25, 2020 shows the autumn scenery on a hill in Konigswinter, a town near Bonn, western Germany. (Photo by Tang Ying/Xinhua)

Photo taken on Oct. 25, 2020 shows the autumn scenery on a hill in Konigswinter, a town near Bonn, western Germany. (Photo by Tang Ying/Xinhua)

Photo taken on Oct. 25, 2020 shows the autumn scenery on a hill in Konigswinter, a town near Bonn, western Germany. (Photo by Tang Ying/Xinhua)

Photo taken on Oct. 25, 2020 shows the autumn scenery on a hill in Konigswinter, a town near Bonn, western Germany. (Photo by Tang Ying/Xinhua)

Photo taken on Oct. 25, 2020 shows the autumn scenery on a hill in Konigswinter, a town near Bonn, western Germany. (Photo by Tang Ying/Xinhua)

People walk past a vineyard on a hill in Konigswinter, a town near Bonn, western Germany, on Oct. 25, 2020. (Photo by Tang Ying/Xinhua)

Photo taken on Oct. 25, 2020 shows the autumn scenery on a hill in Konigswinter, a town near Bonn, western Germany. (Photo by Tang Ying/Xinhua)