Photo taken on Sept. 19, 2019 shows the Wall for Peace beside Eiffel Tower in Paris, France. The word "PEACE" is engraved on it in 32 languages. (Photo: Xinhua)

Photo taken on Sept. 19, 2019 shows the Wall for Peace beside Eiffel Tower in Paris, France. The word "PEACE" is engraved on it in 32 languages.

Photo taken on Sept. 19, 2019 shows columns of the Wall for Peace beside Eiffel Tower in Paris, France. The word "PEACE" is engraved on it in 32 languages.

Photo taken on Sept. 19, 2019 shows the Wall for Peace beside Eiffel Tower in Paris, France. The word "PEACE" is engraved on it in 32 languages.

Photo taken on Sept. 19, 2019 shows the Wall for Peace beside Eiffel Tower in Paris, France. The word "PEACE" is engraved on it in 32 languages.

Photo taken on Sept. 19, 2019 shows the Wall for Peace beside Eiffel Tower in Paris, France. The word "PEACE" is engraved on it in 32 languages.

Photo taken on Sept. 19, 2019 shows columns of the Wall for Peace beside Eiffel Tower in Paris, France. The word "PEACE" is engraved on it in 32 languages.

Photo taken on Sept. 19, 2019 shows the Wall for Peace beside Eiffel Tower in Paris, France. The word "PEACE" is engraved on it in 32 languages.

Photo taken on Sept. 19, 2019 shows the Wall for Peace beside Eiffel Tower in Paris, France. The word "PEACE" is engraved on it in 32 languages.