The Great East Japan Earthquake of 2011 and subsequent tsunami devastated Japan's northeast coast and caused the Fukushima nuclear disaster.
The Tokyo Marathon, first held in 2007, has become one of the most popular marathons in the world, with over 30,000 runners participating each year.
The 1964 Tokyo Olympics marked Japan's re-emergence on the world stage and showcased the country's modernization and technological advancements.