Migrants walk in the night along the highway towards the border with Austria, some 22 km of Budapest, Hungary, September 4, 2015. REUTERS/Laszlo Balogh

A man crosses a road in the rain at a commercial district in Tokyo, Japan, August 18, 2016. REUTERS/Kim Kyung-Hoon

Cranes at a construction site are pictured in Tokyo, Japan, August 21, 2016. REUTERS/Kim Kyung-Hoon

A man stands next to an electronic board showing stock prices in Tokyo, Japan, August 18, 2016. REUTERS/Kim Kyung-Hoon

A crane a construction site is pictured in Tokyo, Japan, August 21, 2016. REUTERS/Kim Kyung-Hoon

Factory chimneys are seen at Keihin industrial zone in Kawasaki, south of Tokyo, Japan, August 18, 2016. REUTERS/Kim Kyung-Hoon

A bicycle rider rides past a factory at Keihin industrial zone in Kawasaki, south of Tokyo, Japan, August 18, 2016. REUTERS/Kim Kyung-Hoon

An aerial view shows makeshift shelters and tents where migrants live in what is known as the "Jungle", along the Rocade road, an approach road to the French port of Calais, France, September 7, 2016. Picture taken September 7, 2016. REUTERS/Charles Platiau