Osaka is Japan's third-largest city and a major commercial and industrial hub, with a population of over 19 million people in the greater Osaka area.
The Japanese automotive industry has been impacted by natural disasters such as earthquakes and tsunamis, which have disrupted production and supply chains.
Hiroshima is a historic city on Japan's western coast, and is known for its Peace Memorial Park and Museum, dedicated to the victims of the atomic bombing.
