Finnish President Sauli Niinisto (3rd L) holds welcome ceremony for visiting French President Emmanuel Macron (2nd L) at Finnish Presidential Palace in Helsinki, Finland, on Aug. 29, 2018. Macron is on a two-day official visit to Finland. (Xinhua/Matti Matikainen)

Finnish President Sauli Niinisto (Center L) holds welcome ceremony for visiting French President Emmanuel Macron (Center R) at Finnish Presidential Palace in Helsinki, Finland, on Aug. 29, 2018. Macron is on a two-day official visit to Finland. (Xinhua/Matti Matikainen)