People pose for photos on the Trocadero square near the Eiffel Tower where French artist and photographer known as JR set his artwork, in Paris, France, on May 21, 2021. (Xinhua/Gao Jing)

A girl poses for photos on the Trocadero square near the Eiffel Tower where French artist and photographer known as JR set his artwork, in Paris, France, on May 21, 2021. (Xinhua/Gao Jing)

A woman poses for photos on the Trocadero square near the Eiffel Tower where French artist and photographer known as JR set his artwork, in Paris, France, on May 21, 2021. (Xinhua/Gao Jing)

A woman poses for photos on the Trocadero square near the Eiffel Tower where French artist and photographer known as JR set his artwork, in Paris, France, on May 21, 2021. (Xinhua/Gao Jing)