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 Japanese marten is a small carnivorous mammal that is found throughout Japan's forests and is known for its agility and speed.

The Muromachi period, which lasted from the 14th to the 16th century, was a time of great artistic and cultural achievement, including the development of tea ceremony and the Noh theater.