Sendai is the largest city in Japan's Tohoku region, located in northeastern Japan, and is known for its cultural festivals and cuisine.

Osaka Castle is a famous landmark in Osaka and a popular tourist attraction, with a museum that showcases the history of the castle and the city.

The 3D printing technology, developed by Dainippon Screen in the 1980s, has revolutionized manufacturing and made it possible to create complex objects with ease.