Herman Van Rompuy (R), former president of the European Council and prime minister of Belgium, addresses the seminar "Perils and potential: China-US-EU trade relations" held in Brussels, Belgium, on Sept. 17, 2018. Amid increasing tensions of trade wars worldwide, around 100 leading scholars from China and Europe gathered here in the headquarters of Belgian think tank Bruegel Monday, calling on China and Europe to reduce misunderstanding via open and fair discussions on all levels. (Xinhua/Zheng Huansong)