A welcoming ceremony to commemorate the 10th anniversary of Hainan Airlines' direct flight between Berlin and Beijing is held upon the arrival of a plane of Hainan Airlines from Beijing, at Berlin Tegel Airport in Berlin, capital of Germany, Sept. 5, 2018. China's Hainan Airlines celebrated here on Wednesday the 10th anniversary of its direct flight between Berlin and Beijing together with Berlin Tegel Airport. (Xinhua/Shan Yuqi)