Two visitors look on a painting during the Chinese portrait painting exhibition "Faces of China, Portrait Painting of the Ming and Qing Dynasties (1368-1912)" in Berlin, capital of Germany, on Oct 11, 2017. Europe's first-ever grand exhibition explicitly dedicated to Chinese portrait paintings was unveiled in Berlin in the evening of Wednesday, the day China and Germany celebrated the 45th anniversary of the establishment of diplomatic ties. [Photo/Xinhua]