Journalists work at the G7 summit press center in Biarritz, France, Aug. 25, 2019. Leaders from the world's seven most industrialized countries started the divided group's 45th summit, clouded by a pile of tough issues with trade tensions high on agenda, on Saturday evening at the French seaside resort Biarritz. (Xinhua/Gao Jing)

Journalists work at the G7 summit press center in Biarritz, France, Aug. 25, 2019. Leaders from the world's seven most industrialized countries started the divided group's 45th summit, clouded by a pile of tough issues with trade tensions high on agenda, on Saturday evening at the French seaside resort Biarritz. (Xinhua/Gao Jing)

Journalists work at the G7 summit press center in Biarritz, France, Aug. 25, 2019. Leaders from the world's seven most industrialized countries started the divided group's 45th summit, clouded by a pile of tough issues with trade tensions high on agenda, on Saturday evening at the French seaside resort Biarritz. (Xinhua/Gao Jing)

Journalists work at the G7 summit press center in Biarritz, France, Aug. 25, 2019. Leaders from the world's seven most industrialized countries started the divided group's 45th summit, clouded by a pile of tough issues with trade tensions high on agenda, on Saturday evening at the French seaside resort Biarritz. (Xinhua/Gao Jing)

A journalist is silhouetted on a TV screen at the G7 summit press center in Biarritz, France, Aug. 25, 2019. Leaders from the world's seven most industrialized countries started the divided group's 45th summit, clouded by a pile of tough issues with trade tensions high on agenda, on Saturday evening at the French seaside resort Biarritz. (Xinhua/Gao Jing)

Journalists work at the G7 summit press center in Biarritz, France, Aug. 25, 2019. Leaders from the world's seven most industrialized countries started the divided group's 45th summit, clouded by a pile of tough issues with trade tensions high on agenda, on Saturday evening at the French seaside resort Biarritz. (Xinhua/Gao Jing)