10 most difficult Japan riddles

Among developed countries, Japan has one of the highest levels of afforestation, over 68% of the area - being surpassed only by Sweden and Finland.

The crew was under orders to only bomb visually. When they got to Kokura they found the haze and smoke obscuring the city as well as the large ammunition arsenal that was the reason for targeting the city. They made three unsuccessful passes, and eventually headed for Nagasaki and its torpedo factory, the alternative target. In Japan, the phrase "Kokura luck" was coined to describe lucky avoidance of the great misfortune without being aware of it.

Karate developed from the indigenous martial arts of Ryukyu Islands (today Japanese) under the influence of Chinese martial arts. The Ryukyu Kingdom was an independent kingdom from the 15th to 19th century, and despite its small size, the kingdom played a central role in the maritime trade networks of medieval East Asia. Until the 19th century, it has had much more in common with China, than with Japan.

The ninjatō or shinobigatana, are allegedly the preferred weapon that the Shinobi of feudal Japan carried. It is portrayed by modern ninjutsu practitioners as the weapon of the ninja, and is prominently featured in popular culture. Replicas of this sword have also been prominently on display at the Ninja Museum of Igaryu located in Iga

Mikasa is a pre-dreadnought battleship built for the Imperial Japanese Navy. After 1922, Mikasa was decommissioned in accordance with the Washington Naval Treaty and preserved as a museum ship at Yokosuka. Mikasa is the last remaining example of a pre-dreadnought battleship anywhere in the world.

The popular term "rice wine" is a misnomer. Unlike wine, in which alcohol is produced by fermenting sugar that is naturally present in grapes, sake is produced by means of a brewing process more like that of beer. Thus, sake is technically "rice beer" rather than "rice wine."

The Japanese Chin is unique in that they are owned strictly for companionship. Their distinct appearance and personality eventually captured the hearts of Japanese royalty and resulted in ownership being restricted to those of royal and noble blood

Honda is the largest motorcycle manufacturer in Japan and has been since it started production in 1955. In 1960, Honda was also the first among them to begin exporting to the U.S.

Wa (倭, "Japan, Japanese", from Chinese 倭 Wō or Wa) is the oldest recorded name of Japan. The Chinese as well as Korean and Japanese scribes regularly wrote it in reference to Yamato (ancient Japanese nation) with the Chinese character 倭 until the 8th century, when the Japanese replaced it with 和 "harmony, peace, balance."

The Tōkaidō Shinkansen began service on 1 October 1964, in time for the first Tokyo Olympics. The first Shinkansen trains, the 0 series, ran at speeds of up to 210 km/h. Now the maximum operating speed is 320 km/h, with a test run of a world record 603 km/h reached in 2015.