People rest during the Paris Plage at the banks of River Seine, in Paris, France, July 17, 2019. The annual Paris Plage (Paris beach) event is held from July 6 to Sept. 1, 2019. (Xinhua/Gao Jing)

A woman passes an atomizer on the banks of River Seine in Paris, France, July 17, 2019. The temperature in France is set to rise once again from next week, with predictions that the mercury will hit 40 degrees Celsius in certain parts of the country. (Xinhua/Gao Jing)

A cyclist passes a beverage shop during the Paris Plage at the banks of River Seine, in Paris, France, July 17, 2019. The annual Paris Plage (Paris beach) event is held from July 6 to Sept. 1, 2019. (Xinhua/Gao Jing)

A man rests during the Paris Plage at the banks of River Seine, in Paris, France, July 17, 2019. The annual Paris Plage (Paris beach) event is held from July 6 to Sept. 1, 2019. (Xinhua/Gao Jing)

People rest during the Paris Plage at the banks of River Seine, in Paris, France, July 17, 2019. The annual Paris Plage (Paris beach) event is held from July 6 to Sept. 1, 2019. (Xinhua/Gao Jing)

People rest during the Paris Plage at the banks of River Seine, in Paris, France, July 17, 2019. The annual Paris Plage (Paris beach) event is held from July 6 to Sept. 1, 2019. (Xinhua/Gao Jing)

People rest during the Paris Plage at the banks of River Seine, in Paris, France, July 17, 2019. The annual Paris Plage (Paris beach) event is held from July 6 to Sept. 1, 2019. (Xinhua/Gao Jing)

A Bateaux Mouches (Seine Rivers Cruises) is seen on the River Seine during the Paris Plage in Paris, France, July 17, 2019. The annual Paris Plage (Paris beach) event is held from July 6 to Sept. 1, 2019. (Xinhua/Gao Jing)